\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a n\u0103m 2016 \u0111\u1ec1 s\u1ed1 10 s\u1ebd gi\u00fap c\u00e1c em c\u00f3 th\u00eam nhi\u1ec1u d\u1ea1ng b\u00e0i t\u1eadp \u0111\u1ec3 chu\u1ea9n b\u1ecb t\u1ed1t cho k\u00ec thi quan tr\u1ecdng n\u00e0y.\u0110\u1ec1 thi g\u1ed3m 50 c\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n h\u01b0\u1edbng d\u1eabn c\u00e1c em xem b\u00ean d\u01b0\u1edbi<\/strong><\/h2>\n

\n

Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a<\/p>\n<\/div>\n

Cho bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng nguy\u00ean t\u1eed (theo u) c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1:<\/strong><\/p>\n

H = 1; Li = 7; C = 12; N = 14; O = 16; Na = 23; Mg = 24; Al = 27; P = 31; S = 32; Cl = 35,5; K = 39;<\/strong><\/p>\n

Ca = 40; Cr=52, Fe = 56; Cu = 64; Zn = 65; As = 75; Br = 80; Rb = 85,5; Ag = 108; Ba = 137, I=127.<\/strong><\/p>\n

C\u00e2u 1:  <\/strong>T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng fructoz\u01a1 c\u1ea7n d\u00f9ng \u0111\u1ec3 h\u00f2a tan v\u1eeba h\u1ebft 25,872 gam Cu(OH)<\/span><\/p>\n

2<\/dd>\n

. Gi\u1ea3 s\u1eed hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng l\u00e0 100%.<\/span><\/p>\n

   A.<\/strong> 32,34 gam.                   B.<\/strong> 316,8 gam. <\/p>\n

   C.<\/strong> 95,04 gam.                 D.<\/strong> 60,92 gam.<\/p>\n

C\u00e2u 2:  <\/strong>Tr\u01b0\u1eddng h\u1ee3p n\u00e0o sau \u0111\u00e2y kh\u00f4ng<\/strong> x\u1ea3y ra ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng?<\/p>\n

   A. <\/strong>Cho dung d\u1ecbch FeCl<\/p>\n

2<\/dd>\n

 v\u00e0o dung d\u1ecbch AgF.           <\/p>\n

   B. <\/strong>Cho dung d\u1ecbch Fe(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

3<\/dd>\n

 v\u00e0o dung d\u1ecbch AgNO<\/p>\n

3<\/dd>\n

.<\/p>\n

   C. <\/strong>Cho dung d\u1ecbch Fe(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

 v\u00e0o dung d\u1ecbch HF.   <\/p>\n

   D. <\/strong>Cho dung d\u1ecbch Fe(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

 v\u00e0o dung d\u1ecbch AgNO<\/p>\n

3<\/dd>\n

.<\/p>\n

C\u00e2u 3:  <\/strong>L\u01b0\u1ee3ng triolein c\u1ea7n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf 5,88 kg glixerol v\u1edbi hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng 85% l\u00e0<\/p>\n

   A.<\/strong> 66,47 kg.                   B.<\/strong> 56,5 kg.        <\/p>\n

   C.<\/strong> 48,025 kg.                   D.<\/strong> 22,26 kg.<\/p>\n

C\u00e2u 4:  <\/strong>D\u00f9ng ba \u1ed1ng nghi\u1ec7m \u0111\u00e1nh s\u1ed1 1, 2, 3 cho h\u00f3a ch\u1ea5t v\u00e0o c\u00e1c \u1ed1ng nghi\u1ec7m theo b\u1ea3ng sau:<\/p>\n

B\u1eb1ng \u0111\u1ed3ng h\u1ed3 b\u1ea5m gi\u00e2y, ng\u01b0\u1eddi ta \u0111o kho\u1ea3ng th\u1eddi gian t\u1eeb l\u00fac b\u1eaft \u0111\u1ea7u tr\u1ed9n dung d\u1ecbch \u0111\u1ebfn khi xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a, \u0111\u1ed1i v\u1edbi k\u1ebft qu\u1ea3 \u1edf ba \u1ed1ng nghi\u1ec7m 1, 2, 3 ng\u01b0\u1eddi ta thu \u0111\u01b0\u1ee3c ba gi\u00e1 tr\u1ecb t<\/p>\n

1<\/dd>\n

, t<\/p>\n

2<\/dd>\n

, t<\/p>\n

3<\/dd>\n

. Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y \u0111\u00fang?<\/p>\n

\n\n\n\n\n\n\n

\n \u1ed0ng nghi\u1ec7m<\/strong><\/p>\n<\/td>\n	\n Na<\/p>\n 2<\/dd>\n S<\/p>\n 2<\/dd>\n O<\/p>\n 3<\/dd>\n <\/strong><\/p>\n<\/td>\n	\n H<\/p>\n 2<\/dd>\n O<\/strong><\/p>\n<\/td>\n	\n H<\/p>\n 2<\/dd>\n SO<\/p>\n 4<\/dd>\n <\/strong><\/p>\n<\/td>\n	\n Th\u1ec3 t\u00edch chung<\/strong><\/p>\n<\/td>\n	\n Th\u1eddi gian k\u1ebft t\u1ee7a<\/strong><\/p>\n<\/td>\n<\/tr>\n
\n 1<\/p>\n<\/td>\n	\n 4 gi\u1ecdt<\/p>\n<\/td>\n	\n 8 gi\u1ecdt<\/p>\n<\/td>\n	\n 1 gi\u1ecdt<\/p>\n<\/td>\n	\n 13 gi\u1ecdt<\/p>\n<\/td>\n	\n t<\/p>\n 1<\/dd>\n<\/p>\n<\/td>\n<\/tr>\n
\n 2<\/p>\n<\/td>\n	\n 12 gi\u1ecdt<\/p>\n<\/td>\n	\n 0 gi\u1ecdt<\/p>\n<\/td>\n	\n 1 gi\u1ecdt<\/p>\n<\/td>\n	\n 13 gi\u1ecdt<\/p>\n<\/td>\n	\n t<\/p>\n 2<\/dd>\n<\/p>\n<\/td>\n<\/tr>\n
\n 3<\/p>\n<\/td>\n	\n 8 gi\u1ecdt<\/p>\n<\/td>\n	\n 4 gi\u1ecdt<\/p>\n<\/td>\n	\n 1 gi\u1ecdt<\/p>\n<\/td>\n	\n 13 gi\u1ecdt<\/p>\n<\/td>\n	\n  t<\/p>\n 3<\/dd>\n<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n    A.<\/strong> t<\/p>\n 1<\/dd>\n  > t<\/p>\n 2<\/dd>\n  > t<\/p>\n 3<\/dd>\n .                B.<\/strong> t<\/p>\n 1<\/dd>\n  < t<\/p>\n 2<\/dd>\n  < t<\/p>\n 3<\/dd>\n .  <\/p>\n C.<\/strong> t<\/p>\n 1<\/dd>\n  > t<\/p>\n 3<\/dd>\n  > t<\/p>\n 2<\/dd>\n .                D.<\/strong> t<\/p>\n 1<\/dd>\n  < t<\/p>\n 3<\/dd>\n  < t<\/p>\n 2<\/dd>\n .<\/p>\n C\u00e2u 5:  <\/strong>Hoa\u0300 tan m gam Al(NO<\/p>\n 3<\/dd>\n )<\/p>\n 3<\/dd>\n  va\u0300o n\u01b0\u01a1\u0301c \u0111\u01b0\u01a1\u0323c dung d\u1ecbch X. N\u00ea\u0301u cho 0,51mol KOH va\u0300o dung d\u1ecbch X thu \u0111\u01b0\u01a1\u0323c 3x gam k\u00ea\u0301t tu\u0309a. M\u0103\u0323t kha\u0301c, n\u00ea\u0301u cho 0,57mol KOH v\u00e0o dung d\u1ecbch X thu \u0111\u01b0\u01a1\u0323c x gam k\u00ea\u0301t tu\u0309a. Gi\u00e1 tr\u1ecb c\u1ee7a m la\u0300<\/p>\n    A.<\/strong> 21,30.                   B.<\/strong> 39,405.  <\/p>\n    C.<\/strong> 31,95.                   D.<\/strong> 42,60.<\/p>\n C\u00e2u 6:  <\/strong>\u0110\u1ec3 ch\u1ee9ng minh Cl<\/p>\n 2<\/dd>\n  v\u1eeba c\u00f3 t\u00ednh kh\u1eed v\u1eeba c\u00f3 t\u00ednh oxi h\u00f3a, ng\u01b0\u1eddi ta cho Cl<\/p>\n 2<\/dd>\n  t\u00e1c d\u1ee5ng v\u1edbi<\/p>\n    A.<\/strong> dung d\u1ecbch FeCl<\/p>\n 2<\/dd>\n .               B.<\/strong> d\u00e2y s\u1eaft n\u00f3ng \u0111\u1ecf. <\/p>\n    C.<\/strong> dung d\u1ecbch NaOH lo\u00e3ng.       D.<\/strong> dung d\u1ecbch KI.<\/p>\n C\u00e2u 7:  <\/strong>Nung n\u00f3ng t\u1eebng c\u1eb7p ch\u1ea5t sau trong b\u00ecnh k\u00edn \u1edf nhi\u1ec7t \u0111\u1ed9 cao:<\/p>\n        (1) Fe v\u00e0 S (r\u1eafn);       (2) Au v\u00e0 O<\/p>\n 3<\/dd>\n  (kh\u00ed);         (3) Cu v\u00e0 Cr<\/p>\n 2<\/dd>\n O<\/p>\n 3<\/dd>\n ;<\/p>\n        (4) Ag + Cl<\/p>\n 2<\/dd>\n  (kh\u00ed);        (5) Mg v\u00e0 CO<\/p>\n 2<\/dd>\n  (kh\u00ed);        (6) Al v\u00e0 C (cacbon).<\/p>\n S\u1ed1 tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra ph\u1ea3n \u1ee9ng oxi h\u00f3a kim lo\u1ea1i l\u00e0<\/p>\n    A.<\/strong> 5.                 B.<\/strong> 3. <\/p>\n    C.<\/strong> 2.                 D.<\/strong> 4.<\/p>\n C\u00e2u 8:  <\/strong>X\u00e9t ph\u1ea3n \u1ee9ng este ho\u00e1 gi\u1eefa CH<\/p>\n 3<\/dd>\n COOH v\u00e0 C<\/p>\n 2<\/dd>\n H<\/p>\n 5<\/dd>\n OH. N\u1ebfu ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ea7u v\u1edbi 1 mol axit v\u00e0 1 mol C<\/p>\n 2<\/dd>\n H<\/p>\n 5<\/dd>\n OH, ta c\u00f3 \u0111\u01b0\u1eddng bi\u1ec3u di\u1ec5n s\u1ed1 mol este thu \u0111\u01b0\u1ee3c theo th\u1eddi gian:<\/p>\n  <\/p>\n    Hi\u1ec7u su\u1ea5t c\u1ee7a ph\u1ea3n \u1ee9ng este h\u00f3a \u0111\u1ea1t gi\u00e1 tr\u1ecb c\u1ef1c \u0111\u1ea1i l\u00e0 <\/p>\n    A.<\/strong> 88,8%.                 B.<\/strong> 33,3%.   <\/p>\n    C.<\/strong> 66,7%.                 D.<\/strong> 55,0%.<\/p>\n C\u00e2u 9:  <\/strong>Trong ph\u00f2ng th\u00ed nghi\u1ec7m, \u0111\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c trong m\u1ed9t dung d\u1ecbch c\u00f3 t\u1ed3n t\u1ea1i ion Br<\/p>\n \u2013<\/dd>\n  hay kh\u00f4ng, ng\u01b0\u1eddi ta hay cho v\u00e0o \u1ed1ng nghi\u1ec7m ch\u1ee9a dung d\u1ecbch \u0111\u00f3 m\u1ed9t \u00edt b\u1ed9t MnO<\/p>\n 2<\/dd>\n  v\u00e0 v\u00e0i gi\u1ecdt H<\/p>\n 2<\/dd>\n SO<\/p>\n 4<\/dd>\n  \u0111\u1eb7c sau \u0111\u00f3 \u0111un n\u00f3ng. Hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra l\u00e0<\/p>\n    A.<\/strong> c\u00f3 h\u01a1i m\u00e0u t\u00edm bay ra.           B.<\/strong> c\u00f3 h\u01a1i m\u00e0u n\u00e2u \u0111\u1ecf bay ra.<\/p>\n    C.<\/strong> c\u00f3 k\u1ebft t\u1ee7a m\u00e0u v\u00e0ng.           D.<\/strong> c\u00f3 k\u1ebft t\u1ee7a m\u00e0u xanh.<\/p>\n C\u00e2u 10:   <\/strong>T\u1ec9 kh\u1ed1i h\u01a1i c\u1ee7a h\u1ed7n h\u1ee3p 2 an\u0111ehit X, Y \u0111\u1ed1i v\u1edbi heli b\u1eb1ng 14,5 v\u1edbi m\u1ecdi t\u1ec9 l\u1ec7 mol gi\u1eefa X v\u00e0 Y. Cho 17,4g h\u1ed7n h\u1ee3p X v\u00e0 Y (t\u1ec9 l\u1ec7 mol 1:1) v\u00e0o dung d\u1ecbch AgNO<\/p>\n 3<\/dd>\n \/NH<\/p>\n 3<\/dd>\n  d\u01b0 thu \u0111\u01b0\u1ee3c s\u1ed1 mol Ag t\u1ed1i \u0111a l\u00e0<\/p>\n    A.<\/strong> 0,6.                     B.<\/strong> 0,8.<\/p>\n    C.<\/strong> 1,2.                     D.<\/strong> 0,9.<\/p>\n C\u00e2u 11:   <\/strong>Trong c\u00f4ng nghi\u1ec7p, qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t n\u00e0o sau \u0111\u00e2y l\u00e0 sai?<\/p>\n    A.<\/strong> \u0110i\u1ec7n ph\u00e2n dung d\u1ecbch mu\u1ed1i \u0103n (n\u1ed3ng \u0111\u1ed9 t\u1eeb 15% – 20%) trong th\u00f9ng \u0111i\u1ec7n ph\u00e2n c\u00f3 m\u00e0ng ng\u0103n \u0111\u1ec3 s\u1ea3n xu\u1ea5t n\u01b0\u1edbc Gia-ven.<\/p>\n    B.<\/strong> \u0110i\u1ec7n ph\u00e2n MgCl<\/p>\n 2<\/dd>\n  n\u00f3ng ch\u1ea3y \u0111\u1ec3 s\u1ea3n xu\u1ea5t magie.<\/p>\n    C.<\/strong> \u0110i\u1ec7n ph\u00e2n h\u1ed7n h\u1ee3p KF v\u00e0 HF (h\u1ed7n h\u1ee3p \u1edf th\u1ec3 l\u1ecfng) \u0111\u1ec3 s\u1ea3n xu\u1ea5t kh\u00ed flo.<\/p>\n    D.<\/strong> \u0110i\u1ec7n ph\u00e2n h\u1ed7n h\u1ee3p Al<\/p>\n 2<\/dd>\n O<\/p>\n 3<\/dd>\n  v\u00e0 3NaF.AlF<\/p>\n 3<\/dd>\n  n\u00f3ng ch\u1ea3y \u0111\u1ec3 s\u1ea3n xu\u1ea5t nh\u00f4m.<\/p>\n C\u00e2u 12:   <\/strong>Cho 7 gam axit cacboxylic \u0111\u01a1n ch\u1ee9c X v\u00e0o dung d\u1ecbch ch\u1ee9a 7 gam KOH th\u00ec thu \u0111\u01b0\u1ee3c dung d\u1ecbch c\u00f3 ch\u1ee9a 11,75 gam ch\u1ea5t tan. Axit cacboxylic X l\u00e0<\/p>\n    A.<\/strong> C<\/p>\n 2<\/dd>\n H<\/p>\n 5<\/dd>\n COOH.              B.<\/strong> HCOOH. <\/p>\n    C.<\/strong> CH<\/p>\n 3<\/dd>\n COOH.               D.<\/strong> C<\/p>\n 2<\/dd>\n H<\/p>\n 3<\/dd>\n COH.<\/p>\n C\u00e2u 13:   <\/strong>Khi th\u00eam t\u1eeb t\u1eeb n\u01b0\u1edbc v\u00e0o m\u1ed9t c\u1ed1c \u0111\u1ef1ng dung d\u1ecbch CH<\/p>\n 3<\/dd>\n COOH th\u00ec<\/p>\n      (1): s\u1ed1 ph\u00e2n t\u1eed CH<\/p>\n 3<\/dd>\n COOH kh\u00f4ng thay \u0111\u1ed5i. <\/p>\n    (2): \u0111\u1ed9 \u0111i\u1ec7n li c\u1ee7a CH<\/p>\n 3<\/dd>\n COOH s\u1ebd t\u0103ng l\u00ean.<\/p>\n    (3): \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a dung d\u1ecbch s\u1ebd t\u0103ng l\u00ean.<\/p>\n    (4): pH c\u1ee7a dung d\u1ecbch s\u1ebd kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n    (5): c\u00e2n b\u1eb1ng s\u1ebd d\u1ecbch chuy\u1ec3n theo chi\u1ec1u l\u00e0m t\u1ea1o th\u00eam ion CH<\/p>\n 3<\/dd>\n COO<\/p>\n \u2013<\/dd>\n .<\/p>\n Ch\u1ecdn \u00fd \u0111\u00fang trong 5 \u00fd tr\u00ean.<\/p>\n    A.<\/strong> (2), (4), (5).                B.<\/strong> (1), (2), (4).<\/p>\n    C.<\/strong> (2), (5).                 D.<\/strong> (2), (3), (5).<\/p>\n C\u00e2u 14:   <\/strong>\u0110\u1ec3 kh\u1eed ho\u00e0n to\u00e0n h\u1ed7n h\u1ee3p g\u1ed3m 78,88g Fe<\/p>\n 3<\/dd>\n O<\/p>\n 4<\/dd>\n  v\u00e0 43,86g Al<\/p>\n 2<\/dd>\n O<\/p>\n 3<\/dd>\n  c\u1ea7n v\u1eeba \u0111\u1ee7 V lit CO (\u0111ktc). Gi\u00e1 tr\u1ecb c\u1ee7a V l\u00e0<\/p>\n    A.<\/strong> 30,464.                   B.<\/strong> 59,360.      <\/p>\n    C.<\/strong> 10,155.                   D.<\/strong> 61,376.<\/p>\n C\u00e2u 15:   <\/strong>Trong dung d\u1ecbch, cation X<\/p>\n 2+<\/dd>\n  oxi h\u00f3a \u0111\u01b0\u1ee3c kim lo\u1ea1i Y. Khi nh\u00fang hai thanh kim lo\u1ea1i X v\u00e0 Y \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhau b\u1eb1ng d\u00e2y d\u1eabn \u0111i\u1ec7n v\u00e0o m\u1ed9t dung d\u1ecbch ch\u1ea5t \u0111i\u1ec7n li H<\/p>\n 2<\/dd>\n SO<\/p>\n 4<\/dd>\n  lo\u00e3ng th\u00ec<\/p>\n    A.<\/strong> \u1edf anot x\u1ea3y ra qu\u00e1 tr\u00ecnh kh\u1eed: 2H<\/p>\n +<\/dd>\n  +2e \u00aeH<\/p>\n 2<\/dd>\n .    <\/p>\n    B.<\/strong> c\u00f3 d\u00f2ng electron di chuy\u1ec3n t\u1eeb kim lo\u1ea1i Y \u0111\u1ebfn kim lo\u1ea1i X.<\/p>\n    C.<\/strong> kim lo\u1ea1i X b\u1ecb \u0103n m\u00f2n \u0111i\u1ec7n ho\u00e1, Y kh\u00f4ng b\u1ecb \u0103n m\u00f2n \u0111i\u1ec7n ho\u00e1.   <\/p>\n    D.<\/strong> \u1edf catot x\u1ea3y ra qu\u00e1 tr\u00ecnh oxi h\u00f3a: 2X  \u00ae X<\/p>\n 2+<\/dd>\n  +2e<\/p>\n C\u00e2u 16:   <\/strong>Paracetamol l\u00e0 m\u1ed9t ho\u1ea1t ch\u1ea5t c\u00f3 trong thu\u1ed1c gi\u1ea3m \u0111au. Paracetamol \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh khi tr\u00f9ng ng\u01b0ng axit axetic v\u1edbi p-<\/em>aminophenol v\u1edbi t\u1ec9 l\u1ec7 mol 1:1. Ch\u1ecdn ph\u00e1t bi\u1ec3u \u0111\u00fang v\u1ec1 paracetamol.<\/p>\n    A.<\/strong> Trong ph\u00e2n t\u1eed paracetamol c\u00f3 ch\u1ee9a li\u00ean k\u1ebft peptit.<\/p>\n    B.<\/strong> Paracetamol c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t m\u00e0u dung d\u1ecbch brom.<\/p>\n    C.<\/strong> Paracetamol c\u00f3 th\u1ec3 t\u00e1c d\u1ee5ng v\u1edbi Cu(OH)<\/p>\n 2 <\/dd>\n t\u1ea1o th\u00e0nh h\u1ee3p ch\u1ea5t m\u00e0u t\u00edm.<\/p>\n    D.<\/strong> Dung d\u1ecbch paracetamol (trong n\u01b0\u1edbc) l\u00e0m xanh gi\u1ea5y qu\u00ec.<\/p>\n C\u00e2u 17:   <\/strong>Cho h\u1ed7n h\u1ee3p kim lo\u1ea1i g\u1ed3m x mol Na v\u00e0 y mol Ba v\u00e0o n\u01b0\u1edbc d\u01b0 \u0111\u01b0\u1ee3c V l\u00edt H<\/p>\n 2<\/dd>\n  (\u0111ktc) v\u00e0 dung d\u1ecbch X. Khi cho CO<\/p>\n 2<\/dd>\n  h\u1ea5p th\u1ee5 t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 v\u00e0o dung d\u1ecbch X, k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n tr\u00ean \u0111\u1ed3 th\u1ecb sau:<\/p>\n  <\/p>\n T\u1ec9 l\u1ec7 x : y l\u00e0:<\/p>\n    A.<\/strong> 2:1.                       B.<\/strong> 1:3. <\/p>\n    C.<\/strong> 1:1.                     D.<\/strong> 1:2.<\/p>\n C\u00e2u 18:   <\/strong>Cho m\u1ed9t thanh Zn v\u00e0o 200ml dung d\u1ecbch CrCl<\/p>\n 3<\/dd>\n  1M. Sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, l\u1ea5y thanh Zn ra \u0111em c\u00e2n th\u00ec kh\u1ed1i l\u01b0\u1ee3ng thanh k\u1ebdm s\u1ebd<\/p>\n    A.<\/strong> gi\u1ea3m 9,1 gam.                 B.<\/strong> gi\u1ea3m 13 gam.   <\/p>\n    C.<\/strong> gi\u1ea3m 6,5 gam.                 D.<\/strong> gi\u1ea3m 18,2 gam.<\/p>\n C\u00e2u 19:   <\/strong>Cho ca\u0301c pha\u0301t bi\u00ea\u0309u sau:<\/p>\n    1) Tinh th\u00ea\u0309 SiO\u00ad<\/p>\n 2<\/dd>\n  chi\u0309 ch\u01b0\u0301a li\u00ean k\u00ea\u0301t \u0111\u01a1n.<\/p>\n    2) Trong nh\u00f3m IA, liti c\u00f3 nhi\u1ec7t \u0111\u1ed9 s\u00f4i cao nh\u1ea5t.<\/p>\n    3) Ph\u00e2n supephotphat ke\u0301p c\u00f3 ch\u1ee9a Ca(HPO<\/p>\n 4<\/dd>\n )<\/p>\n 2<\/dd>\n  v\u00e0 CaSO<\/p>\n 4<\/dd>\n .<\/p>\n    4) Trong nh\u00f3m halogen, flo co\u0301 nhi\u00ea\u0323t \u0111\u00f4\u0323 s\u00f4i th\u1ea5p nh\u00e2\u0301t.<\/p>\n    5) Bo\u0301n nhi\u00ea\u0300u ph\u00e2n \u0111a\u0323m amoni se\u0303 la\u0300m cho \u0111\u00e2\u0301t chua.<\/p>\n    6) Kim c\u01b0\u01a1ng v\u00e0 than chi\u0300 la\u0300 hai da\u0323ng thu\u0300 hi\u0300nh cu\u0309a cacbon.<\/p>\n    7) \u1ede 100<\/p>\n o<\/dd>\n C, ph\u00e2n t\u1eed l\u01b0u hu\u1ef3nh c\u00f3 8 nguy\u00ean t\u1eed li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb v\u1edbi nhau t\u1ea1o th\u00e0nh m\u1ea1ch v\u00f2ng.<\/p>\n S\u00f4\u0301 pha\u0301t bi\u00ea\u0309u \u0111u\u0301ng la\u0300:<\/p>\n    A.<\/strong> 6.                        B.<\/strong> 7.   <\/p>\n    C.<\/strong> 4.                      D.<\/strong> 5.<\/p>\n C\u00e2u 20:   <\/strong>Cho m gam b\u1ed9t Cu v\u00e0o 200 ml dung d\u1ecbch AgNO<\/p>\n 3<\/dd>\n  0,2M, sau m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c 3,12 gam ch\u1ea5t r\u1eafn X v\u00e0 dung d\u1ecbch Y. Cho 1,95 gam Zn v\u00e0o dung d\u1ecbch Y \u0111\u1ebfn ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c 3,45gam ch\u1ea5t r\u1eafn Z v\u00e0 dung d\u1ecbch ch\u1ee9a 1 mu\u1ed1i duy nh\u1ea5t. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n    A.<\/strong> 0,64.                     B.<\/strong> 1,28.<\/p>\n    C.<\/strong> 1,92.                     D.<\/strong> 1,6.<\/p>\n C\u00e2u 21:   <\/strong>Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang?<\/p>\n    A.<\/strong> Amiloz\u01a1 c\u00f3 c\u1ea5u tr\u00fac m\u1ea1ch kh\u00f4ng ph\u00e2n nh\u00e1nh.         <\/p>\n    B.<\/strong> Glucoz\u01a1 b\u1ecb oxi ho\u00e1 b\u1edfi H<\/p>\n 2<\/dd>\n  (x\u00fac t\u00e1c Ni, t<\/p>\n o<\/dd>\n ).<\/p>\n    C.<\/strong> Thu\u1ef7 ph\u00e2n saccaroz\u01a1 ch\u1ec9 cho glucoz\u01a1.  <\/p>\n D.<\/strong> Trong m\u1ed7i m\u1eaft x\u00edch xenluloz\u01a1 c\u00f3 2 nh\u00f3m -OH.<\/p>\n C\u00e2u 22:   <\/strong>Cho m gam b\u1ed9t Fe v\u00e0o 50 ml dung d\u1ecbch Cu(NO<\/p>\n 3<\/dd>\n )<\/p>\n 2<\/dd>\n  1M, sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch X v\u00e0 4,88 gam ch\u1ea5t r\u1eafn Y. Cho 4,55 gam b\u1ed9t Zn v\u00e0o dung d\u1ecbch X, k\u1ebft th\u00fac ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 4,1 gam ch\u1ea5t r\u1eafn Z v\u00e0 dung d\u1ecbch ch\u1ee9a m\u1ed9t mu\u1ed1i duy nh\u1ea5t. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n    A. <\/strong>4,48.                   B. <\/strong>2,80.    <\/p>\n    C. <\/strong>5,60.                   D. <\/strong>8,40.<\/p>\n C\u00e2u 23:   <\/strong>Thu 3 kh\u00ed O<\/p>\n 2<\/dd>\n , HCl v\u00e0 SO<\/p>\n 2<\/dd>\n  v\u00e0o \u0111\u1ea7y 3 l\u1ecd c\u00f3 dung t\u00edch v\u00e0 chi\u1ec1u cao nh\u01b0 nhau r\u1ed3i \u00fap ng\u01b0\u1ee3c 3 mi\u1ec7ng l\u1ecd v\u00e0o 3 ch\u1eadu n\u01b0\u1edbc th\u1ea5y n\u01b0\u1edbc d\u00e2ng l\u00ean trong c\u00e1c l\u1ecd theo th\u1ee9 t\u1ef1 l\u00e0 h<\/p>\n 1<\/dd>\n , h<\/p>\n 2<\/dd>\n , h<\/p>\n 3<\/dd>\n . \u0110\u1ed9 cao n\u01b0\u1edbc d\u00e2ng l\u00ean gi\u1ea3m theo th\u1ee9 t\u1ef1 l\u00e0<\/p>\n    A.<\/strong> h<\/p>\n 3<\/dd>\n  > h<\/p>\n 2<\/dd>\n  > h<\/p>\n 1<\/dd>\n .                B.<\/strong> h<\/p>\n 2<\/dd>\n  > h<\/p>\n 1<\/dd>\n  > h<\/p>\n 3<\/dd>\n .<\/p>\n    C.<\/strong> h<\/p>\n 2<\/dd>\n  > h<\/p>\n 3<\/dd>\n  > h<\/p>\n 1<\/dd>\n .                D.<\/strong> h<\/p>\n 1<\/dd>\n  > h<\/p>\n 3<\/dd>\n  > h<\/p>\n 2<\/dd>\n .<\/p>\n C\u00e2u 24:   <\/strong>H\u1ed7n h\u1ee3p kh\u00ed X g\u1ed3m amin no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf Y v\u00e0 ankin Z. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 0,2 mol X, thu \u0111\u01b0\u1ee3c 0,45 mol CO<\/p>\n 2<\/dd>\n  v\u00e0 0,375 mol H<\/p>\n 2<\/dd>\n O. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a Y v\u00e0 Z  l\u00e0<\/p>\n    A.<\/strong> C<\/p>\n 3<\/dd>\n H<\/p>\n 9<\/dd>\n N v\u00e0 C<\/p>\n 3<\/dd>\n H<\/p>\n 4<\/dd>\n .               B.<\/strong> C<\/p>\n 2<\/dd>\n H<\/p>\n 7<\/dd>\n N v\u00e0 C<\/p>\n 3<\/dd>\n H<\/p>\n 4<\/dd>\n . <\/p>\n    C.<\/strong> C<\/p>\n 2<\/dd>\n H<\/p>\n 7<\/dd>\n N v\u00e0 C<\/p>\n 2<\/dd>\n H<\/p>\n 2<\/dd>\n .               D.<\/strong> C<\/p>\n 3<\/dd>\n H<\/p>\n 9<\/dd>\n N v\u00e0 C<\/p>\n 2<\/dd>\n H<\/p>\n 2<\/dd>\n .<\/p>\n C\u00e2u 25:   <\/strong>S\u1ed1 li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb c\u00f3 trong m\u1ed9t ph\u00e2n t\u1eed phenylamoni clorua l\u00e0<\/p>\n    A.<\/strong> 16.                    B.<\/strong> 17.     <\/p>\n    C.<\/strong> 18.                    D.<\/strong> 19.<\/p>\n C\u00e2u 26:   <\/strong>Cho 2,5 kg glucoz\u01a1 ch\u1ee9a 20% t\u1ea1p ch\u1ea5t l\u00ean men th\u00e0nh ancol etylic. T\u00ednh th\u1ec3 t\u00edch ancol 40<\/p>\n o<\/dd>\n  thu \u0111\u01b0\u1ee3c Bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a ancol etylic l\u00e0 0,8g\/ml v\u00e0 qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn hao h\u1ee5t 10%.<\/p>\n    A.<\/strong> 3194,4 ml.                 B.<\/strong> 27850 ml.        <\/p>\n    C.<\/strong> 2875,0 ml.                  D.<\/strong> 23000 ml.<\/p>\n C\u00e2u 27:   <\/strong>Natri silicat c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh b\u1eb1ng c\u00e1ch n\u00e0o d\u01b0\u1edbi \u0111\u00e2y?<\/p>\n    A. <\/strong>\u0110un SiO<\/p>\n 2<\/dd>\n  v\u1edbi NaOH n\u00f3ng ch\u1ea3y.     <\/p>\n    B.<\/strong>Cho SiO<\/p>\n 2<\/dd>\n  t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH lo\u00e3ng.<\/p>\n    C. <\/strong>Cho Si t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaCl.      <\/p>\n    D. <\/strong>Cho dung d\u1ecbch K<\/p>\n 2<\/dd>\n SiO<\/p>\n 3<\/dd>\n  t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaHCO<\/p>\n 3<\/dd>\n .<\/p>\n C\u00e2u 28:   <\/strong>\u0110\u1ec3 trung ho\u00e0 m gam h\u1ed7n h\u1ee3p X g\u1ed3m CH<\/p>\n 3<\/dd>\n COOH, CH<\/p>\n 2<\/dd>\n (COOH)<\/p>\n 2<\/dd>\n , CH(COOH)<\/p>\n 3<\/dd>\n , C(COOH)<\/p>\n 4<\/dd>\n c\u1ea7n 540ml dung d\u1ecbch NaOH 2M. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m gam h\u1ed7n h\u1ee3p X c\u1ea7n 17,92 l\u00edt O<\/p>\n 2<\/dd>\n  (\u0111ktc). Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0 <\/p>\n    A<\/strong>.<\/strong> 54,68. B<\/strong>.<\/strong> 52,16.  <\/p>\n   C<\/strong>.<\/strong> 53,92.                   D<\/strong>.<\/strong> 51,88.<\/p>\n C\u00e2u 29:   <\/strong>Kim lo\u1ea1i n\u00e0o sau \u0111\u00e2y c\u00f3 th\u1ec3 tan \u0111\u01b0\u1ee3c trong dung d\u1ecbch NaOH \u0111\u1eb7c?<\/p>\n    A.<\/strong> Ag.                   B.<\/strong> Fe. <\/p>\n    C.<\/strong> Al.                    D.<\/strong> Mg.<\/p>\n C\u00e2u 30:   <\/strong>Nhi\u1ec7t nh\u00f4m ho\u00e0n to\u00e0n m gam h\u1ed7n h\u1ee3p X g\u1ed3m Al, Fe<\/p>\n x<\/dd>\n O<\/p>\n y<\/dd>\n  (kh\u00f4ng c\u00f3 kh\u00f4ng kh\u00ed) thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y. Chia Y th\u00e0nh hai ph\u1ea7n:<\/p>\n Ph\u1ea7n 1: Cho t\u00e1c d\u1ee5ng v\u1edbi NaOH d\u01b0 thu \u0111\u01b0\u1ee3c 1,008 l\u00edt H<\/p>\n 2<\/dd>\n  (\u0111ktc) v\u00e0 c\u00f2n l\u1ea1i 5,04 gam ch\u1ea5t r\u1eafn kh\u00f4ng tan.<\/p>\n Ph\u1ea7n 2: c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 29,79 gam, cho t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HNO<\/p>\n 3<\/dd>\n  lo\u00e3ng d\u01b0 thu \u0111\u01b0\u1ee3c 8,064 l\u00edt NO (\u0111ktc, s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t).<\/p>\n Gi\u00e1 tr\u1ecb  c\u1ee7a m v\u00e0 c\u00f4ng th\u1ee9c c\u1ee7a oxit s\u1eaft l\u00e0<\/p>\n    A.<\/strong> 39,72 gam v\u00e0 FeO.         B.<\/strong> 39,72 gam v\u00e0 Fe<\/p>\n 3<\/dd>\n O<\/p>\n 4<\/dd>\n .  <\/p>\n    C.<\/strong> 38,91 gam v\u00e0 FeO.         D.<\/strong> 36,48 gam v\u00e0 Fe<\/p>\n 3<\/dd>\n O<\/p>\n 4<\/dd>\n .<\/p>\n C\u00e2u 31:   <\/strong>Ki\u1ec3u li\u00ean k\u1ebft gi\u1eefa c\u00e1c g\u1ed1c glucoz\u01a1 trong amiloz\u01a1 l\u00e0:<\/p>\n    A. <\/strong>\u03b1-1,6-glicozit.               B. <\/strong>\u03b1 -1,2-glicozit.      <\/p>\n      C.<\/strong>\u03b2-1,4-glicozit.               <\/span>D.<\/strong>\u03b1 -1,4-glicozit.<\/span><\/p>\n C\u00e2u 32:   <\/strong>M\u1ed9t b\u00ecnh k\u00edn ch\u1ee9a h\u1ed7n h\u1ee3p X g\u1ed3m 0,06 mol axetilen; 0,09 mol vinylaxetilen; 0,16 mol H<\/p>\n 2<\/dd>\n  v\u00e0 m\u1ed9t \u00edt b\u1ed9t Ni. Nung h\u1ed7n h\u1ee3p X thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y g\u1ed3m 7 hi\u0111rocacbon (kh\u00f4ng ch\u1ee9a but-1-in) c\u00f3 t\u1ec9 kh\u1ed1i h\u01a1i \u0111\u1ed1i v\u1edbi H<\/p>\n 2<\/dd>\n  l\u00e0 328\/15. Cho to\u00e0n b\u1ed9 h\u1ed7n h\u1ee3p Y \u0111i qua b\u00ecnh \u0111\u1ef1ng dung d\u1ecbch AgNO<\/p>\n 3<\/dd>\n \/NH<\/p>\n 3<\/dd>\n  d\u01b0, thu \u0111\u01b0\u1ee3c m gam k\u1ebft t\u1ee7a v\u00e0ng nh\u1ea1t v\u00e0 1,792 l\u00edt h\u1ed7n h\u1ee3p kh\u00ed Z tho\u00e1t ra kh\u1ecfi b\u00ecnh. \u0110\u1ec3 l\u00e0m no ho\u00e0n to\u00e0n h\u1ed7n h\u1ee3p Z c\u1ea7n v\u1eeba \u0111\u00fang 50 ml dung d\u1ecbch Br<\/p>\n 2<\/dd>\n  1M. C\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n    A.<\/strong> 28,71.                   B.<\/strong> 14,37.            <\/p>\n    C.<\/strong> 13,56.                   D.<\/strong> 15,18.<\/p>\n C\u00e2u 33:   <\/strong>Th\u1ef1c hi\u1ec7n c\u00e1c th\u00ed nghi\u1ec7m sau :<\/p>\n    (1) S\u1ee5c kh\u00ed SO<\/p>\n 2<\/dd>\n  v\u00e0o dung d\u1ecbch K<\/p>\n 2<\/dd>\n Cr<\/p>\n 2<\/dd>\n O<\/p>\n 7  <\/dd>\n trong H<\/p>\n 2<\/dd>\n SO<\/p>\n 4<\/dd>\n  lo\u00e3ng.      (2) S\u1ee5c kh\u00ed SO<\/p>\n 2<\/dd>\n  v\u00e0o dung d\u1ecbch H<\/p>\n 2<\/dd>\n S.<\/p>\n    (3) S\u1ee5c kh\u00ed SO<\/p>\n 2<\/dd>\n  v\u00e0o dung d\u1ecbch Ca(OH)<\/p>\n 2<\/dd>\n .               (4) Cho KMnO<\/p>\n 4<\/dd>\n  v\u00e0o dung d\u1ecbch HCl \u0111\u1eb7c.<\/p>\n    (5) Cho SiO<\/p>\n 2<\/dd>\n  v\u00e0o dung d\u1ecbch HF.                    (6) Cho CrO<\/p>\n 3<\/dd>\n  v\u00e0o dung d\u1ecbch NaOH.<\/p>\n  S\u1ed1 th\u00ed nghi\u1ec7m c\u00f3 ph\u1ea3n \u1ee9ng  oxi h\u00f3a – kh\u1eed x\u1ea3y ra l\u00e0<\/p>\n    A.<\/strong> 4.                        B.<\/strong> 6. <\/p>\n    C.<\/strong> 5.                        D.<\/strong> 3.<\/p>\n C\u00e2u 34:   <\/strong>Cho 52,8 gam h\u1ed7n h\u1ee3p r\u1eafn X g\u1ed3m Fe<\/p>\n 3<\/dd>\n O<\/p>\n 4<\/dd>\n , Cu(NO<\/p>\n 3<\/dd>\n )<\/p>\n 2<\/dd>\n  v\u00e0 Cu v\u00e0o dung d\u1ecbch ch\u1ee9a 0,6 mol H<\/p>\n 2<\/dd>\n SO<\/p>\n 4<\/dd>\n , \u0111un n\u00f3ng. Sau khi k\u1ebft ph\u1ea3n \u1ee9ng ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c kh\u00ed NO (s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t) v\u00e0 dung d\u1ecbch Y ch\u1ec9 ch\u1ee9a 2 mu\u1ed1i c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng m gam. Cho b\u1ed9t Cu v\u00e0o dung d\u1ecbch Y kh\u00f4ng th\u1ea5y ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc x\u1ea3y ra. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n    A.<\/strong> 42,8.                     B.<\/strong> 46,6.   <\/p>\n    C.<\/strong> 52,8.                   D.<\/strong> 54,6.<\/p>\n C\u00e2u 35:   <\/strong>Cho m gam anilin t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi dung d\u1ecbch Br<\/p>\n 2<\/dd>\n  thu \u0111\u01b0\u1ee3c 9,9 gam k\u1ebft t\u1ee7a. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n    A.<\/strong> 0,93.                   B.<\/strong> 2,79.   <\/p>\n    C.<\/strong> 1,86.                   D.<\/strong> 3,72.<\/p>\n C\u00e2u 36:   <\/strong>Cho kim lo\u1ea1i crom t\u00e1c d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng d\u01b0 HNO<\/p>\n 3<\/dd>\n  \u0111\u1eb7c, sau ph\u1ea3n \u1ee9ng th\u1ea5y tho\u00e1t ra 6,72 lit kh\u00ed NO (\u0111ktc). Kh\u1ed1i l\u01b0\u1ee3ng crom \u0111\u00e3 tham gia ph\u1ea3n \u1ee9ng l\u00e0<\/p>\n    A.<\/strong> 15,6 gam.                 B.<\/strong> 20 gam.     <\/p>\n    C.<\/strong> 14,8 gam.                 D.<\/strong> 12,5 gam.<\/p>\n C\u00e2u 37:   <\/strong>Tr\u01b0\u1edbc \u0111\u00e2y, Freon \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m ch\u1ea5t sinh h\u00e0n trong t\u1ee7 l\u1ea1nh v\u00e0 m\u00e1y \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9. T\u1eeb n\u0103m 1996, Freon \u0111\u00e3 b\u1ecb c\u1ea5m s\u1eed d\u1ee5ng, nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0 do khi th\u1ea3i v\u00e0o kh\u00ed quy\u1ec3n:<\/p>\n    A<\/strong>. freon ph\u00e1 h\u1ee7y t\u1ea7ng ozon.      B.<\/strong> freon g\u00e2y ra hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh.       <\/p>\n    C.<\/strong> freon g\u00e2y ra m\u01b0a axit.            D.<\/strong> freon g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng El Nino.<\/p>\n C\u00e2u 38:   <\/strong>H\u1ed7n h\u1ee3p X g\u1ed3m etilen glicol, ancol etylic, ancol propylic v\u00e0 hexan trong \u0111\u00f3 s\u1ed1 mol hexan b\u1eb1ng s\u1ed1 mol etilen glicol. Cho m gam h\u1ed7n h\u1ee3p X t\u00e1c d\u1ee5ng v\u1edbi Na d\u01b0 thu \u0111\u01b0\u1ee3c 0,4032 l\u00edt H<\/p>\n 2<\/dd>\n  (\u0111ktc). M\u1eb7t kh\u00e1c, \u0111\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m gam h\u1ed7n h\u1ee3p X c\u1ea7n 4,1664 l\u00edt O<\/p>\n 2<\/dd>\n  (\u0111ktc). Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0 <\/p>\n    A. <\/strong>2,682.                     B. <\/strong>1,788.               <\/p>\n    C. <\/strong>2,235.                     D. <\/strong>2,384.<\/p>\n C\u00e2u 39:   <\/strong>M\u00f4\u0323t dung d\u1ecbch co\u0301 ch\u01b0\u0301a ca\u0301c ion: Mg<\/p>\n 2+<\/dd>\n , Na<\/p>\n +<\/dd>\n , Fe<\/p>\n 3+<\/dd>\n , <\/dd>\n Fe<\/p>\n 2+<\/dd>\n , Cu<\/p>\n 2+<\/dd>\n , Ba<\/p>\n 2+<\/dd>\n , NO<\/p>\n 3<\/dd>\n –<\/dd>\n ,Cl<\/p>\n –<\/dd>\n . \u0110\u00ea\u0309 nh\u00e2\u0323n ra s\u01b0\u0323 co\u0301 m\u0103\u0323t cu\u0309a ion Fe<\/p>\n 2+ <\/dd>\n  trong dung d\u1ecbch, ng\u01b0\u1eddi ta co\u0301 th\u00ea\u0309 du\u0300ng ch\u1ea5t na\u0300o sau \u0111\u00e2y?<\/p>\n    A.<\/strong> NaOH.                   B.<\/strong> NH<\/p>\n 3<\/dd>\n       .    <\/p>\n    C.<\/strong> Na<\/p>\n 2<\/dd>\n CO<\/p>\n 3<\/dd>\n .                 D.<\/strong> HCl.<\/p>\n C\u00e2u 40:   <\/strong>T\u1ed5ng s\u1ed1 kh\u1ed1i c\u1ee7a 2 nguy\u00ean t\u1eed X, Y l\u00e0 34. Trong 2 nguy\u00ean t\u1eed X, Y, t\u1ed5ng s\u1ed1 h\u1ea1t mang \u0111i\u1ec7n nhi\u1ec1u h\u01a1n s\u1ed1 h\u1ea1t kh\u00f4ng mang \u0111i\u1ec7n l\u00e0 14. Bi\u1ebft nguy\u00ean t\u1eed X l\u00e0 \u0111\u1ed3ng v\u1ecb c\u1ee7a nguy\u00ean t\u1eed Y. S\u1ed1 kh\u1ed1i c\u1ee7a X v\u00e0 Y l\u00e0<\/p>\n    A.<\/strong> 13 v\u00e0 21.                  B.<\/strong> 14 v\u00e0 20.      <\/p>\n    C.<\/strong> 15 v\u00e0 19.                  D.<\/strong> 16 v\u00e0 18. <\/p>\n C\u00e2u 41:   <\/strong>Thi\u1ebfc (Sn) l\u00e0 m\u1ed9t kim lo\u1ea1i thu\u1ed9c chu k\u00ec 4, nh\u00f3m IVA trong b\u1ea3ng tu\u1ea7n ho\u00e0n. T\u1ed5ng s\u1ed1 electron p trong m\u1ed9t nguy\u00ean t\u1eed Sn l\u00e0<\/p>\n    A.<\/strong> 16.                    B.<\/strong> 22. <\/p>\n    C.<\/strong> 20.                    D.<\/strong> 14.<\/p>\n C\u00e2u 42:   <\/strong>\u0110i\u1ec7n ph\u00e2n 250gam dung d\u1ecbch CuSO<\/p>\n 4<\/dd>\n  8% cho \u0111\u1ebfn khi n\u1ed3ng \u0111\u1ed9 dung d\u1ecbch CuSO<\/p>\n 4<\/dd>\n  gi\u1ea3m \u0111i m\u1ed9t n\u1eefa th\u00ec d\u1eebng l\u1ea1i. Kh\u1ed1i l\u01b0\u1ee3ng kim lo\u1ea1i b\u00e1m tr\u00ean cat\u1ed1t l\u00e0<\/p>\n    A.<\/strong> 2,02 gam.             B.<\/strong> 4,08 gam.<\/strong> <\/p>\n    C.<\/strong> 6,12 gam.             D.<\/strong> 5,07gam.<\/p>\n C\u00e2u 43:   <\/strong>Ch\u1ecdn c\u00e2u sai<\/strong>.<\/p>\n    A.<\/strong> S\u1ea3n ph\u1ea9m c\u1ee7a ph\u1ea3n \u1ee9ng tr\u00f9ng ng\u01b0ng phenol v\u1edbi fomandehit trong m\u00f4i tr\u01b0\u1eddng axit l\u00e0 polime m\u1ea1ch kh\u00f4ng nh\u00e1nh.<\/p>\n    B.<\/strong> S\u1ea3n ph\u1ea9m c\u1ee7a ph\u1ea3n \u1ee9ng tr\u00f9ng ng\u01b0ng axit e – aminocaproic l\u00e0 polipeptit.<\/p>\n    C.<\/strong> S\u1ea3n ph\u1ea9m c\u1ee7a ph\u1ea3n \u1ee9ng tr\u00f9ng ng\u01b0ng etylenglicol v\u1edbi axit terephtalic l\u00e0 polieste.<\/p>\n    D.<\/strong> S\u1ea3n ph\u1ea9m c\u1ee7a ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p caprolactam l\u00e0 poliamit.<\/p>\n C\u00e2u 44:   <\/strong>Cho gi\u1ea3n \u0111\u1ed3 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a ph\u1ea3n \u1ee9ng:  2 H<\/p>\n 2 (k)  <\/dd>\n +O<\/p>\n 2 (k)  <\/dd>\n   2H<\/p>\n 2<\/dd>\n O<\/p>\n  (l)   <\/dd>\n<\/p>\n  <\/p>\n K\u1ebft lu\u1eadn n\u00e0o sau \u0111\u00e2y v\u1ec1 gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c nhi\u1ec7t ph\u1ea3n \u1ee9ng tr\u00ean l\u00e0 \u0111\u00fang?<\/p>\n    A.<\/strong> DH < 0 :  ph\u1ea3n \u1ee9ng t\u1ecfa nhi\u1ec7t.       B.<\/strong> DH < 0 :  ph\u1ea3n \u1ee9ng thu nhi\u1ec7t.<\/p>\n    C.<\/strong> DH > 0 :  ph\u1ea3n \u1ee9ng t\u1ecfa nhi\u1ec7t.       D.<\/strong> DH > 0 :  ph\u1ea3n \u1ee9ng thu nhi\u1ec7t.<\/p>\n C\u00e2u 45:   <\/strong>Cho 4 mol axit axetic t\u00e1c d\u1ee5ng v\u1edbi h\u1ed7n h\u1ee3p ch\u1ee9a 0,5 mol glixerol v\u00e0 1 mol etilenglicol (x\u00fac t\u00e1c H<\/p>\n 2<\/dd>\n SO<\/p>\n 4<\/dd>\n ). T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m h\u1eefu c\u01a1 thu \u0111\u01b0\u1ee3c. Bi\u1ebft r\u1eb1ng c\u00f3 50% axit v\u00e0 80% m\u1ed7i ancol ph\u1ea3n \u1ee9ng.<\/p>\n    A.<\/strong> 312 gam.                  B.<\/strong> 156,7 gam. <\/p>\n    C.<\/strong> 170,4 gam.                 D.<\/strong> 176,5 gam.<\/p>\n C\u00e2u 46:   <\/strong>S\u1ed1 tetrapeptit t\u1ea1o t\u1eeb 3 \u03b1-aminoaxit: Alanin; Glyxin v\u00e0 Valin l\u00e0<\/p>\n    A.<\/strong> 30.                      B.<\/strong> 32.<\/p>\n    C.<\/strong> 36.                      D.<\/strong> 34.<\/p>\n C\u00e2u 47:   <\/strong>H\u1ed7n h\u1ee3p X g\u1ed3m Na<\/p>\n 2<\/dd>\n O, Na<\/p>\n 2<\/dd>\n O<\/p>\n 2<\/dd>\n , Na<\/p>\n 2<\/dd>\n CO<\/p>\n 3<\/dd>\n , K<\/p>\n 2<\/dd>\n O, K<\/p>\n 2<\/dd>\n O<\/p>\n 2<\/dd>\n , K<\/p>\n 2<\/dd>\n CO<\/p>\n 3<\/dd>\n . Cho m gam h\u1ed7n h\u1ee3p X t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HCl d\u01b0 thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y ch\u1ee9a 50,85 gam ch\u1ea5t tan g\u1ed3m c\u00e1c ch\u1ea5t tan c\u00f3 c\u00f9ng n\u1ed3ng \u0111\u1ed9 mol; 3,024 l\u00edt h\u1ed7n h\u1ee3p kh\u00ed Z (\u0111ktc) c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi hi\u0111ro l\u00e0 20,889. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n    A. <\/strong>30,492.                   B. <\/strong>22,689.  <\/p>\n    C. <\/strong>21,780.                   D. <\/strong>29,040.<\/p>\n C\u00e2u 48:   <\/strong>Trong s\u1ed1 c\u00e1c ch\u1ea5t: CH<\/p>\n 3<\/dd>\n COONa, Na<\/p>\n 2<\/dd>\n HPO<\/p>\n 4<\/dd>\n , NaHS, Al<\/p>\n 2<\/dd>\n (SO<\/p>\n 4<\/dd>\n )<\/p>\n 3<\/dd>\n , NaHSO<\/p>\n 4<\/dd>\n , CH<\/p>\n 3<\/dd>\n COONH<\/p>\n 4<\/dd>\n , Al(OH)<\/p>\n 3<\/dd>\n , Zn(OH)<\/p>\n 2<\/dd>\n , CrO<\/p>\n 3<\/dd>\n , HOOC-COONa, HOOC-CH<\/p>\n 2<\/dd>\n NH<\/p>\n 3<\/dd>\n Cl, AlF<\/p>\n 3<\/dd>\n . S\u1ed1 ch\u1ea5t l\u01b0\u1ee1ng t\u00ednh l\u00e0<\/p>\n    A.<\/strong> 7.                      B.<\/strong> 9. <\/p>\n    C.<\/strong> 8.                      D.<\/strong> 10.<\/p>\n C\u00e2u 49:   <\/strong>H\u1ed7n h\u1ee3p A g\u1ed3m peptit X v\u00e0 peptit Y (t\u1ec9 l\u1ec7 s\u1ed1 mol 1:3). X v\u00e0 Y c\u1ea5u t\u1ea1o t\u1eeb 1 lo\u1ea1i aminoaxit, t\u1ed5ng s\u1ed1 nh\u00f3m -CO-NH- trong 2 ph\u00e2n t\u1eed X v\u00e0 Y l\u00e0 5. Khi th\u1ee7y ph\u00e2n ho\u00e0n to\u00e0n m gam A thu \u0111\u01b0\u1ee3c 81 gam glyxin v\u00e0 42,72g alanin. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n    A.<\/strong> 104,28.                     B.<\/strong> 109,5.    <\/p>\n    C.<\/strong> 116,28.                     D.<\/strong> 110,28.<\/p>\n C\u00e2u 50:   <\/strong>H\u1ee3p ch\u1ea5t n\u00e0o sau \u0111\u00e2y kh\u00f4ng<\/strong> ch\u1ee9a l\u01b0u hu\u1ef3nh?<\/p>\n A.<\/strong> Cao su Buna-S.                B.<\/strong> Oleum.   <\/p>\n    C.<\/strong> Qu\u1eb7ng pirit s\u1eaft.                D.<\/strong> Cao su l\u01b0u h\u00f3a.<\/p>\n \u0110\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed  THPT Qu\u1ed1c gia m\u00f4n H\u00f3a n\u0103m 2016- \u0111\u1ec1 s\u1ed1 10<\/strong><\/span><\/p>\n <\/span><\/strong><\/p>\n<\/p>\n <\/strong><\/div>\n T\u1ea5t c\u1ea3 n\u1ed9i dung b\u00e0i vi\u1ebft. C\u00e1c em h\u00e3y xem th\u00eam v\u00e0 t\u1ea3i file chi ti\u1ebft t\u1ea1i \u0111\u00e2y:<\/strong>Download<\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a n\u0103m 2016 \u0111\u1ec1 s\u1ed1 10 s\u1ebd gi\u00fap c\u00e1c em c\u00f3 th\u00eam nhi\u1ec1u d\u1ea1ng b\u00e0i t\u1eadp \u0111\u1ec3 chu\u1ea9n b\u1ecb t\u1ed1t cho k\u00ec thi quan tr\u1ecdng n\u00e0y.\u0110\u1ec1 thi g\u1ed3m 50 c\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n h\u01b0\u1edbng d\u1eabn c\u00e1c em xem b\u00ean d\u01b0\u1edbi Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[24],"tags":[],"yoast_head":"\n