\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a l\u1ea7n 2 n\u0103m 2016 – THPT L\u00fd Th\u00e1i T\u1ed5, t\u1ec9nh B\u1eafc Ninh, \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c thi ng\u00e0y 16\/1\/2016, c\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y:<\/strong><\/h2>\n

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

\n S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O<\/p>\n     T\u1ec8NH B\u1eaeC NINH<\/p>\n TR\u01af\u1edcNG THPH L\u00dd TH\u00c1I T\u1ed4<\/p>\n<\/td>\n

\n \u0110\u1ec0 THI TH\u1eec THPT QU\u1ed0C GIA L\u1ea6N 2<\/strong><\/p>\n M\u00f4n: H\u00f3a h\u1ecdc \u2013N\u0103m h\u1ecdc 2016-2017<\/strong><\/p>\n Ng\u00e0y thi: 16\/1\/2016<\/strong><\/p>\n Th\u1eddi gian l\u00e0m b\u00e0i: 90 ph\u00fat (kh\u00f4ng t\u00ednh th\u1eddi gian ph\u00e1t \u0111\u1ec1)<\/em><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Cho nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a: H = 1; C =12; N =14; O = 16; Na =23; Mg = 24; Al = 27; P = 31; S = 32; Cl = 35,5;  K = 39; Ca =40; Fe =56; Cu =64; Zn = 65; Br = 80; Ag  = 108; Ba = 137<\/em>.<\/p>\n C\u00e2u 1:<\/strong> Cho 50 ml dung d\u1ecbch glucoz\u01a1 t\u00e1c d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng d\u01b0 AgNO<\/p>\n 3<\/dd>\n  trong dd NH<\/p>\n 3<\/dd>\n  thu \u0111\u01b0\u1ee3c 2,16 gam Ag. N\u1ed3ng \u0111\u1ed9 mol c\u1ee7a dung d\u1ecbch glucozo \u0111\u00e3 d\u00f9ng l\u00e0:<\/p>\n A. <\/strong>0,1 M        B. <\/strong>1,71 M         C. <\/strong>1,95 M         D. <\/strong>0,2 M<\/p>\n C\u00e2u 2:<\/strong> Cho 15 gam h\u1ed7n h\u1ee3p b\u1ed9t kim lo\u1ea1i Zn v\u00e0 Cu v\u00e0o dung d\u1ecbch HCl d\u01b0, sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c 4,48 l\u00edt kh\u00ed H<\/p>\n 2<\/dd>\n  v\u00e0 m gam ch\u1ea5t r\u1eafn kh\u00f4ng tan. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0:<\/p>\n A. <\/strong>6,4           B. <\/strong>8,5           C. <\/strong>2,2           D. <\/strong>2<\/p>\n C\u00e2u 3:<\/strong> Ph\u00e1t bi\u1ec3u kh\u00f4ng <\/strong>\u0111\u00fang l\u00e0:<\/p>\n A. <\/strong>T\u1ea5t c\u1ea3 c\u00e1c nguy\u00ean t\u1ed1 halogen \u0111\u1ec1u c\u00f3 c\u00e1c s\u1ed1 oxi ho\u00e1: -1, +1, +3, +5 v\u00e0 +7 trong c\u00e1c h\u1ee3p ch\u1ea5t.<\/p>\n B. <\/strong>Trong c\u00f4ng nghi\u1ec7p, photpho \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch nung h\u1ed7n h\u1ee3p qu\u1eb7ng photphorit, c\u00e1t v\u00e0 than c\u1ed1c \u1edf 1200<\/p>\n 0<\/dd>\n C trong l\u00f2 \u0111i\u1ec7n.<\/p>\n C. <\/strong>Kim c\u01b0\u01a1ng, than ch\u00ec, fuleren l\u00e0 c\u00e1c d\u1ea1ng th\u00f9 h\u00ecnh c\u1ee7a cacbon.<\/p>\n D. <\/strong>Hi\u0111ro sunfua b\u1ecb oxi ho\u00e1 b\u1edfi n\u01b0\u1edbc clo \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng.<\/p>\n C\u00e2u 4:<\/strong> Cho s\u01a1 \u0111\u1ed3 sau:<\/p>\n     <\/p>\n X, Z, M l\u00e0 c\u00e1c ch\u1ea5t v\u00f4 c\u01a1, m\u1ed7i m\u0169i t\u00ean \u1ee9ng v\u1edbi m\u1ed9t ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng. Ch\u1ea5t T l\u00e0 :<\/p>\n A. <\/strong>C<\/p>\n 2<\/dd>\n H<\/p>\n 5<\/dd>\n OH        B. <\/strong>CH<\/p>\n 3<\/dd>\n COONa      C. <\/strong>CH<\/p>\n 3<\/dd>\n CHO      D. <\/strong>CH<\/p>\n 3<\/dd>\n OH<\/p>\n C\u00e2u 5:<\/strong> Cho d\u00e3y c\u00e1c dung d\u1ecbch sau: glucozo, saccarozo, etanol, axit axetic, andehit axetic, Ala-Gly, Abumin. S\u1ed1 dung d\u1ecbch trong d\u00e3y h\u00f2a tan \u0111\u01b0\u1ee3c Cu(OH)<\/p>\n 2<\/dd>\n  \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng l\u00e0.<\/p>\n A. <\/strong>5            B. <\/strong>2            C. <\/strong>3            D. <\/strong>4<\/p>\n C\u00e2u 6:<\/strong> Ch\u1ea5t n\u00e0o sau \u0111\u00e2y v\u1eeba t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch KOH v\u1eeba t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HCl<\/p>\n A. <\/strong>C<\/p>\n 6<\/dd>\n H<\/p>\n 5<\/dd>\n -NH<\/p>\n 2<\/dd>\n        B. <\/strong>C<\/p>\n 2<\/dd>\n H<\/p>\n 5<\/dd>\n OH        C. <\/strong>CH<\/p>\n 3<\/dd>\n COOH     D. <\/strong>H<\/p>\n 2<\/dd>\n N-CH<\/p>\n 2<\/dd>\n -COOH<\/p>\n C\u00e2u 7:<\/strong> Cho 4,4 gam m\u1ed9t andehit no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf t\u00e1c d\u1ee5ng ho\u00e0n to\u00e0n v\u1edbi dung d\u1ecbch AgNO<\/p>\n 3<\/dd>\n \/NH<\/p>\n 3<\/dd>\n  d\u01b0 thu \u0111\u01b0\u1ee3c 21,6 gam Ag. C\u00f4ng th\u1ee9c c\u1ee7a X l\u00e0.<\/p>\n A. <\/strong>andehit axetic     B. <\/strong>andehit butiric     C. <\/strong>andehit propionic  D. <\/strong>Andehit fomic<\/p>\n C\u00e2u 8:<\/strong> Anken X c\u00f3 c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o: CH<\/p>\n 3<\/dd>\n \u2013CH\u00ad<\/p>\n 2<\/dd>\n \u2013C(CH<\/p>\n 3<\/dd>\n )=CH\u2013CH<\/p>\n 3<\/dd>\n .T\u00ean c\u1ee7a X l\u00e0<\/p>\n A. <\/strong>3-metylpent-3-en.   B. <\/strong>2-etylbut-2-en.    C. <\/strong>isohexan.       D. <\/strong>3-metylpent-2-en.<\/p>\n C\u00e2u 9:<\/strong> \u0110\u1ec3 nh\u1eadn bi\u1ebft c\u00e1c dung d\u1ecbch : NH<\/p>\n 4<\/dd>\n NO<\/p>\n 3<\/dd>\n , (NH<\/p>\n 4<\/dd>\n )<\/p>\n 2<\/dd>\n SO<\/p>\n 4<\/dd>\n , K<\/p>\n 2<\/dd>\n SO<\/p>\n 4  <\/dd>\n \u0111\u1ef1ng trong c\u00e1c l\u1ecd m\u1ea5t nh\u00e3n ta d\u00f9ng:<\/p>\n A. <\/strong>Ba           B. <\/strong>NaOH         C. <\/strong>Na           D. <\/strong>Qu\u1ef3 t\u00edm<\/p>\n C\u00e2u 10:<\/strong> Cho 50 gam CaCO<\/p>\n 3<\/dd>\n  t\u00e1c d\u1ee5ng v\u1eeba \u0111\u1ee7 v\u1edbi dung d\u1ecbch HCl 20% (d=1,2g\/ml). Kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch HCl \u0111\u00e3 d\u00f9ng l\u00e0.<\/p>\n A. <\/strong>152,08 gam     B. <\/strong>55,0 gam       C. <\/strong>180,0 gam       D. <\/strong>182,5 gam<\/p>\n C\u00e2u 11:<\/strong> Dung d\u1ecbch n\u00e0o sau \u0111\u00e2y c\u00f3 pH < 7.<\/p>\n A. <\/strong>NaOH         B. <\/strong>NaCl          C. <\/strong>HCl         D. <\/strong>Na<\/p>\n 2<\/dd>\n CO<\/p>\n 3<\/dd>\n<\/p>\n C\u00e2u 12:<\/strong> Ti\u1ebfn h\u00e0nh b\u1ed1n th\u00ed nghi\u1ec7m sau:<\/p>\n – Th\u00ed nghi\u1ec7m 1: Nh\u00fang thanh Fe v\u00e0o dung d\u1ecbch FeCl<\/p>\n 3<\/dd>\n<\/p>\n – Th\u00ed nghi\u1ec7m 2: Nh\u00fang thanh Fe v\u00e0o dung d\u1ecbch CuSO<\/p>\n 4<\/dd>\n<\/p>\n – Th\u00ed nghi\u1ec7m 3: Nh\u00fang thanh Cu v\u00e0o dung d\u1ecbch FeCl<\/p>\n 3<\/dd>\n<\/p>\n – Th\u00ed nghi\u1ec7m 4: Cho thanh Fe ti\u1ebfp x\u00fac v\u1edbi thanh Cu r\u1ed3i nh\u00fang v\u00e0o dung d\u1ecbch HCl.<\/p>\n S\u1ed1 tr\u01b0\u1eddng h\u1ee3p xu\u1ea5t hi\u1ec7n \u0103n m\u00f2n \u0111i\u1ec7n ho\u00e1 l\u00e0<\/p>\n A. <\/strong>3.           B. <\/strong>2.           C. <\/strong>1.           D. <\/strong>4.<\/p>\n C\u00e2u 13:<\/strong> \u0110un n\u00f3ng 14,8 gam h\u1ed7n h\u1ee3p X g\u1ed3m  (CH<\/p>\n 3<\/dd>\n COOCH<\/p>\n 3<\/dd>\n , HCOOC<\/p>\n 2<\/dd>\n H<\/p>\n 5<\/dd>\n , C<\/p>\n 2<\/dd>\n H<\/p>\n 5<\/dd>\n COOH) trong 100 ml dung d\u1ecbch ch\u1ee9a NaOH 1M, KOH a M (ph\u1ea3n \u1ee9ng v\u1eeba \u0111\u1ee7) th\u00ec thu \u0111\u01b0\u1ee3c 4,68 gam h\u1ed7n h\u1ee3p hai ancol (c\u00f3 t\u1ec9 l\u1ec7 mol 1:1) v\u00e0 m gam mu\u1ed1i. V\u1eady gi\u00e1 tr\u1ecb m l\u00e0.<\/p>\n A. <\/strong>19,72         B. <\/strong>18,28         C. <\/strong>16,72         D. <\/strong>14,96<\/p>\n C\u00e2u 14:<\/strong> Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y \u0111\u00fang?<\/p>\n A. <\/strong>Dung d\u1ecbch NaF ph\u1ea3n \u1ee9ng v\u1edbi dd AgNO3 sinh ra AgF k\u1ebft t\u1ee7a.<\/p>\n B. <\/strong>Axit HBr c\u00f3 t\u00ednh axit y\u1ebfu h\u01a1n axit HCl.<\/p>\n C. <\/strong>Iot c\u00f3 b\u00e1n k\u00ednh nguy\u00ean t\u1eed l\u1edbn h\u01a1n brom.<\/p>\n D. <\/strong>Flo c\u00f3 t\u00ednh oxi ho\u00e1 y\u1ebfu h\u01a1n clo.<\/p>\n C\u00e2u 15:<\/strong> Cho 4,45 gam m\u1ed9t \u03b1-amino axit X t\u00e1c d\u1ee5ng v\u1eeba h\u1ebft v\u1edbi dung d\u1ecbch NaOH thu \u0111\u01b0\u1ee3c 5,55 gam mu\u1ed1i. C\u00f4ng th\u1ee9c X l\u00e0 .<\/p>\n A. <\/strong>H<\/p>\n 2<\/dd>\n N-CH<\/p>\n 2<\/dd>\n -CH<\/p>\n 2<\/dd>\n -COOH            B. <\/strong>CH<\/p>\n 3<\/dd>\n -CH<\/p>\n 2<\/dd>\n -CH(NH<\/p>\n 2<\/dd>\n )-COOH<\/p>\n C. <\/strong>H<\/p>\n 2<\/dd>\n N-CH(CH<\/p>\n 3<\/dd>\n )-COOH            D. <\/strong>H<\/p>\n 2<\/dd>\n N-CH<\/p>\n 2<\/dd>\n -COOH<\/p>\n C\u00e2u 16:<\/strong> \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m\u1ed9t ancol X thu \u0111\u01b0\u1ee3c CO<\/p>\n 2<\/dd>\n  v\u00e0 H<\/p>\n 2<\/dd>\n O c\u00f3 t\u1ec9 l\u1ec7 s\u1ed1 mol t\u01b0\u01a1ng \u1ee9ng l\u00e0 3:4 . th\u1ec3 t\u00edch kh\u00ed oxi c\u1ea7n d\u00f9ng \u0111\u1ec3 \u0111\u1ed1t ch\u00e1y X b\u1eb1ng 1,5 l\u1ea7n CO<\/p>\n 2<\/dd>\n  thu \u0111\u01b0\u1ee3c trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a X l\u00e0:<\/p>\n A. <\/strong>C<\/p>\n 3<\/dd>\n H<\/p>\n 8<\/dd>\n O         B. <\/strong>C<\/p>\n 3<\/dd>\n H<\/p>\n 8<\/dd>\n O<\/p>\n 3<\/dd>\n         C. <\/strong>C<\/p>\n 3<\/dd>\n H<\/p>\n 6<\/dd>\n O         D. <\/strong>C<\/p>\n 3<\/dd>\n H<\/p>\n 8<\/dd>\n O<\/p>\n 2<\/dd>\n<\/p>\n C\u00e2u 17:<\/strong> Vinyl axetat l\u00e0 ch\u1ea5t c\u00f3 c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o n\u00e0o sau \u0111\u00e2y.<\/p>\n A. <\/strong>CH<\/p>\n 2<\/dd>\n =CH-COOCH<\/p>\n 3<\/dd>\n   B. <\/strong>CH<\/p>\n 3<\/dd>\n COOCH<\/p>\n 2<\/dd>\n CH<\/p>\n 3<\/dd>\n   C. <\/strong>CH<\/p>\n 3<\/dd>\n CH<\/p>\n 2<\/dd>\n COOCH<\/p>\n 3<\/dd>\n   D. <\/strong>CH<\/p>\n 3<\/dd>\n COOCH=CH<\/p>\n 2<\/dd>\n<\/p>\n C\u00e2u 18:<\/strong> Cho ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc: Fe + CuSO4  \u2192 FeSO4  + Cu.  Trong ph\u1ea3n \u1ee9ng n\u00e0y x\u1ea3y ra<\/p>\n A. <\/strong>s\u1ef1 kh\u1eed Fe2+ v\u00e0 s\u1ef1 kh\u1eed Cu2+.          B. <\/strong>s\u1ef1 kh\u1eed Fe2+ v\u00e0 s\u1ef1 oxi h\u00f3a Cu.<\/p>\n C. <\/strong>s\u1ef1 oxi h\u00f3a Fe v\u00e0 s\u1ef1 kh\u1eed Cu2+.        D. <\/strong>s\u1ef1 oxi h\u00f3a Fe v\u00e0 s\u1ef1 oxi h\u00f3a Cu.<\/p>\n C\u00e2u 19:<\/strong> H\u1ea5p th\u1ee5 ho\u00e0n to\u00e0n 4,48 l\u00edt kh\u00ed CO2 (\u1edf \u0111ktc) v\u00e0o 500 ml dung d\u1ecbch h\u1ed7n h\u1ee3p g\u1ed3m NaOH 0,1M v\u00e0 Ba(OH)2 0,2M, sinh ra m gam k\u1ebft t\u1ee7a. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n A. <\/strong>9,85.          B. <\/strong>17,73.        C. <\/strong>19,70.        D. <\/strong>11,82.<\/p>\n C\u00e2u 20:<\/strong> M\u1ed9t andehit c\u00f3 t\u00ednh kh\u1eed tr\u00f9ng, di\u1ec7t vi khu\u1ea9n n\u00ean n\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c ch\u1ea5t di\u1ec7t c\u00f4n tr\u00f9ng, ch\u1ea5t t\u1ea9y u\u1ebf. \u0110\u1eb7c bi\u1ec7t dung d\u1ecbch 40% c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 fomon \u0111\u01b0\u1ee3c d\u00f9ng trong y h\u1ecdc \u0111\u1ec3 ng\u00e2m x\u00e1c \u0111\u1ed9ng th\u1ef1c v\u1eadt. An\u0111ehit \u0111\u00f3 l\u00e0.<\/p>\n A. <\/strong>andehit fomic    B. <\/strong>andehit acrylic     C. <\/strong>andehit oxalic    D. <\/strong>andehit axetic<\/p>\n C\u00e2u 21:<\/strong> Tr\u01b0\u1eddng h\u1ee3p n\u00e0o sau \u0111\u00e2y kh\u00f4ng c\u00f3 s\u1ef1 t\u01b0\u01a1ng \u1ee9ng gi\u1eefa c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 t\u00ednh ch\u1ea5t:<\/p>\n A. <\/strong>Keo d\u00e1n \u2013 c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft d\u00ednh<\/p>\n B. <\/strong>Ch\u1ea5t d\u1ebbo \u2013 c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft d\u00ednh<\/p>\n C. <\/strong>T\u01a1 \u2013 h\u00ecnh s\u1ee3i d\u00e0i v\u00e0 m\u1ea3nh v\u1edbi \u0111\u1ed9 b\u1ec1n nh\u1ea5t \u0111\u1ecbnh<\/p>\n D. <\/strong>Cao su \u2013 c\u00f3 t\u00ednh \u0111\u00e0n h\u1ed3i<\/p>\n C\u00e2u 22:<\/strong> \u0110\u1ec3 kh\u1eed ho\u00e0n to\u00e0n 8 gam  b\u1ed9t Fe<\/p>\n 2<\/dd>\n O<\/p>\n 3<\/dd>\n  b\u1eb1ng b\u1ed9t nh\u00f4m \u1edf nhi\u1ec7t \u0111\u1ed9 cao , trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng c\u00f3 kh\u00f4ng kh\u00ed th\u00ec kh\u1ed1i l\u01b0\u1ee3ng b\u1ed9t nh\u00f4m c\u1ea7n d\u00f9ng l\u00e0:<\/p>\n A. <\/strong>5,4 gam       B. <\/strong>8,1 gam       C. <\/strong>2,7 gam       D. <\/strong>1,35 gam<\/p>\n C\u00e2u 23:<\/strong> T\u00e1ch ri\u00eang Ag ra kh\u1ecfi h\u1ed7n h\u1ee3p Ag, Cu, Ni, Fe \u1edf d\u1ea1ng b\u1ed9t m\u00e0 v\u1eabn gi\u1eef nguy\u00ean kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a Ag ban \u0111\u1ea7u, dung d\u1ecbch c\u1ea7n d\u00f9ng l\u00e0.<\/p>\n A. <\/strong>Dung d\u1ecbch HNO<\/p>\n 3<\/dd>\n  \u0111\u0103c ngu\u1ed9i          B. <\/strong>Dung d\u1ecbch AgNO<\/p>\n 3<\/dd>\n  d\u01b0<\/p>\n C. <\/strong>Dung d\u1ecbch FeCl<\/p>\n 3<\/dd>\n                 D. <\/strong>Dung d\u1ecbch H<\/p>\n 2<\/dd>\n SO<\/p>\n 4<\/dd>\n  lo\u00e3ng<\/p>\n C\u00e2u 24:<\/strong> Ch\u1ea5t c\u00f3 t\u00ednh l\u01b0\u1ee1ng t\u00ednh l\u00e0:<\/p>\n A. <\/strong>NaHSO<\/p>\n 4<\/dd>\n         B. <\/strong>NaOH         C. <\/strong>NaHCO<\/p>\n 3<\/dd>\n        D. <\/strong>NaCl<\/p>\n C\u00e2u 25:<\/strong> Cho 5,5 gam h\u1ed7n h\u1ee3p b\u1ed9t Al v\u00e0 Fe (trong \u0111\u00f3 s\u1ed1 mol c\u1ee7a Al g\u1ea5p \u0111\u00f4i s\u1ed1 mol c\u1ee7a Fe) v\u00e0o 300 ml dung d\u1ecbch AgNO<\/p>\n 3<\/dd>\n  1M. Khu\u1ea5y k\u0129 cho ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c m gam ch\u1ea5t r\u1eafn. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0.<\/p>\n A. <\/strong>33,95         B. <\/strong>39,35         C. <\/strong>35,39         D. <\/strong>35,2<\/p>\n C\u00e2u 26:<\/strong> Cho 100ml dung d\u1ecbch KOH 1M v\u00e0o 100ml dung d\u1ecbch HCl thu \u0111\u01b0\u1ee3c dung d\u1ecbch c\u00f3 ch\u1ee9a 6,525 gam ch\u1ea5t tan. N\u1ed3ng \u0111\u1ed9 mol c\u1ee7a dung d\u1ecbch HCl \u0111\u00e3 d\u00f9ng l\u00e0 .<\/p>\n A. <\/strong>1 M.          B. <\/strong>0,5 M.        C. <\/strong>0,75M.         D. <\/strong>0,25M.<\/p>\n C\u00e2u 27:<\/strong> Cho 0,1 mol anilin (C<\/p>\n 6<\/dd>\n H<\/p>\n 5<\/dd>\n -NH<\/p>\n 2<\/dd>\n ) t\u00e1c d\u1ee5ng v\u1eeba \u0111\u1ee7 v\u1edbi dung d\u1ecbch HCl. Kh\u1ed1i l\u01b0\u1ee3ng mu\u1ed1i phenylamoni clorua thu \u0111\u01b0\u1ee3c l\u00e0.<\/p>\n A. <\/strong>12,95         B. <\/strong>25,9         C. <\/strong>6,475         D. <\/strong>19,425<\/p>\n <\/p>\n C\u00e2u 29:<\/strong> Nung 3,6 gam Fe(OH)<\/p>\n 2<\/dd>\n  trong kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c m gam ch\u1ea5t r\u1eafn. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0.<\/p>\n A. <\/strong>2,88         B. <\/strong>6,4           C. <\/strong>3,2           D. <\/strong>1,44<\/p>\n C\u00e2u 30:<\/strong> Nung h\u1ed7n h\u1ee3p X (0,03 mol C<\/p>\n 3<\/dd>\n H<\/p>\n 4<\/dd>\n , 0,02 mol C<\/p>\n 2<\/dd>\n H<\/p>\n 4<\/dd>\n , 0,05 mol H<\/p>\n 2<\/dd>\n ) c\u00f3 x\u00fac t\u00e1c Ni sau m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi H<\/p>\n 2<\/dd>\n  l\u00e0 15,5.  H\u1ecfi h\u1ed7n h\u1ee3p Y l\u00e0m m\u1ea5t m\u00e0u bao nhi\u00eau ml dung d\u1ecbch Br<\/p>\n 2<\/dd>\n  0,8M.<\/p>\n A. <\/strong>40ml          B. <\/strong>80ml          C. <\/strong>100 ml         D. <\/strong>50ml<\/p>\n C\u00e2u 31:<\/strong> Cho d\u00e3y c\u00e1c kim lo\u1ea1i Mg, Cr, K, Li. Kim lo\u1ea1i m\u1ec1m nh\u1ea5t trong d\u00e3y l\u00e0.<\/p>\n A. <\/strong>Cr          B. <\/strong>Mg           C. <\/strong>K           D. <\/strong>Li<\/p>\n C\u00e2u 32:<\/strong> H\u1ee3p ch\u1ea5t c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed l\u00e0 C<\/p>\n 8<\/dd>\n H<\/p>\n 10<\/dd>\n O t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi dung d\u1ecbch NaOH. S\u1ed1 c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o th\u1ecfa m\u00e3n \u0111i\u1ec1u ki\u1ec7n tr\u00ean l\u00e0.<\/p>\n A. <\/strong>8            B. <\/strong>9            C. <\/strong>6            D. <\/strong>3<\/p>\n C\u00e2u 33:<\/strong> Nh\u00fang gi\u1ea5y qu\u1ef3 t\u00edm v\u00e0o dung d\u1ecbch glyxin, m\u00e0u c\u1ee7a gi\u1ea5y qu\u1ef3 t\u00edm s\u1ebd l\u00e0.<\/p>\n A. <\/strong>M\u00e0u xanh      B. <\/strong>M\u00e0u t\u00edm       C. <\/strong>M\u00e0u v\u00e0ng      D. <\/strong>M\u00e0u \u0111\u1ecf<\/p>\n C\u00e2u 34:<\/strong> Nguy\u00ean t\u1ed1 X c\u00f3 c\u1ea5u h\u00ecnh e l\u00e0 [Ar]3d<\/p>\n 10<\/dd>\n 4s<\/p>\n 2<\/dd>\n 4p<\/p>\n 5<\/dd>\n . Nguy\u00ean t\u1ed1 X thu\u1ed9c .<\/p>\n A. <\/strong>Chu k\u00ec 4, nh\u00f3m VIIA              B. <\/strong>Chu k\u00ec 4, nh\u00f3m VB<\/p>\n C. <\/strong>Chu k\u00ec 4, nh\u00f3m VIIB              D. <\/strong>Chu k\u00ec 4, nh\u00f3m VA<\/p>\n C\u00e2u 35:<\/strong> Khi ch\u1ebf bi\u1ebfn c\u00e1c m\u00f3n c\u00e1, \u0111\u1ec3 l\u00e0m h\u1ebft m\u00f9i tanh c\u1ee7a c\u00e1 ng\u01b0\u1eddi ta d\u00f9ng dung d\u1ecbch ch\u1ea5t n\u00e0o sau \u0111\u00e2y.<\/p>\n A. <\/strong>N\u01b0\u1edbc v\u00f4i trong   B. <\/strong>Gi\u1ea5m \u0103n       C. <\/strong>Dung d\u1ecbch HCl   D. <\/strong>N\u01b0\u1edbc m\u1eafm<\/p>\n C\u00e2u 36:<\/strong> Th\u1ee7y ph\u00e2n kh\u00f4ng ho\u00e0n to\u00e0n pentapeptit X ng\u01b0\u1eddi ta thu \u0111\u01b0\u1ee3c tripeptit l\u00e0 Ala-Glu-Gly v\u00e0 c\u00e1c \u0111ipeptit l\u00e0 Val-Ala, Glu-Gly v\u00e0 Gly-Ala . V\u1eady c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a X l\u00e0<\/p>\n A. <\/strong>Gly-Ala-Val-Ala-Glu.             B. <\/strong>Val-Ala-Glu-Gly-Ala.<\/p>\n C. <\/strong>Ala-Val-Glu-Gly-Ala.             D. <\/strong>Ala-Glu-Gly-Ala-Val.<\/p>\n C\u00e2u 37:<\/strong> Ch\u1ea5t n\u00e0osau \u0111\u00e2y trong ph\u00e2n t\u1eed ch\u1ec9 c\u00f3 li\u00ean k\u1ebft \u0111\u01a1n.<\/p>\n A. <\/strong>CH<\/p>\n 2<\/dd>\n O        B. <\/strong>C<\/p>\n 2<\/dd>\n H<\/p>\n 6<\/dd>\n O         C. <\/strong>C<\/p>\n 2<\/dd>\n H<\/p>\n 4<\/dd>\n           D. <\/strong>CH<\/p>\n 3<\/dd>\n COOH<\/p>\n C\u00e2u 38:<\/strong> Cho c\u00e1c ch\u1ea5t sau: Phenol, kh\u00ed sunfuro, toluen, ancol benzylic, isopren, axit metacrylic, vinyl axetat, phenyl amin, axit axetic. S\u1ed1 ch\u1ea5t ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch n\u01b0\u1edbc brom \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng l\u00e0.<\/p>\n A. <\/strong>6            B. <\/strong>4            C. <\/strong>3            D. <\/strong>5<\/p>\n C\u00e2u 39:<\/strong> Ph\u00e2n t\u1eed h\u1ee3p ch\u1ea5t n\u00e0o sau \u0111\u00e2y c\u00f3 \u0111\u1ed3ng th\u1eddi li\u00ean k\u1ebft ion v\u00e0 li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb.<\/p>\n A. <\/strong>H<\/p>\n 2<\/dd>\n SO<\/p>\n 4<\/dd>\n          B. <\/strong>CaCl<\/p>\n 2<\/dd>\n          C. <\/strong>NH<\/p>\n 4<\/dd>\n Cl         D. <\/strong>Na<\/p>\n 2<\/dd>\n O<\/p>\n C\u00e2u 40:<\/strong> Th\u1ee7y ph\u00e2n ho\u00e0n to\u00e0n  6,8 gam phenyl axetat trong dung d\u1ecbch KOH d\u01b0 thu \u0111\u01b0\u1ee3c m gam h\u1ed7n h\u1ee3p mu\u1ed1i. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0.<\/p>\n A. <\/strong>11,5         B. <\/strong>9,9           C. <\/strong>4,1           D. <\/strong>4,9<\/p>\n C\u00e2u 41:<\/strong> Cho nh\u1eadn x\u00e9t sau:<\/p>\n (a)    Ph\u00e2n \u0111\u1ea1m amoni kh\u00f4ng n\u00ean b\u00f3n cho lo\u1ea1i \u0111\u1ea5t chua<\/p>\n (b)    \u0110\u1ed9 dinh d\u01b0\u1ee1ng c\u1ee7a ph\u00e2n l\u00e2n \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng photpho<\/p>\n (c)    Th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a supephotphat k\u00e9p l\u00e0 Ca(H<\/p>\n 2<\/dd>\n PO<\/p>\n 4<\/dd>\n )<\/p>\n 2<\/dd>\n . CaSO<\/p>\n 4<\/dd>\n .<\/p>\n (d)   Ng\u01b0\u1eddi ta d\u00f9ng lo\u1ea1i ph\u00e2n b\u00f3n ch\u1ee9a nguy\u00ean t\u1ed1 kali \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ee9c ch\u1ed1ng b\u1ec7nh, ch\u1ed1ng r\u00e9t v\u00e0 ch\u1ecbu h\u1ea1n cho c\u00e2y<\/p>\n (e)    Tro th\u1ef1c v\u1eadt c\u0169ng l\u00e0 m\u1ed9t lo\u1ea1i ph\u00e2n kali v\u00ec ch\u1ee9a K<\/p>\n 2<\/dd>\n CO<\/p>\n 3<\/dd>\n<\/p>\n (f)   Amophot l\u00e0 m\u1ed9t lo\u1ea1i ph\u00e2n b\u00f3n ph\u1ee9c h\u1ee3p<\/p>\n S\u1ed1 nh\u1eadn x\u00e9t sai l\u00e0.<\/strong><\/p>\n A. <\/strong>2            B. <\/strong>3            C. <\/strong>4            D. <\/strong>1<\/p>\n C\u00e2u 42:<\/strong> Cho 12,12 gam h\u1ed7n h\u1ee3p X g\u1ed3m Al v\u00e0 Fe t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HCl, sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 400 ml dung d\u1ecbch Y ch\u1ee9a 43,4 gam ch\u1ea5t tan, bi\u1ebft dung d\u1ecbch Y c\u00f3 pH = 1. C\u0169ng 12,12 gam X cho v\u00e0o dung d\u1ecbch AgNO<\/p>\n 3<\/dd>\n  d\u01b0 thu \u0111\u01b0\u1ee3c m gam k\u1ebft t\u1ee7a. Gi\u00e1 tr\u1ecb m l\u00e0.<\/p>\n A. <\/strong>108          B. <\/strong>106,92         C. <\/strong>90,72         D. <\/strong>103,68<\/p>\n<\/p>\n C\u00e2u 43:<\/strong> Cho 66,2 gam h\u1ed7n h\u1ee3p X g\u1ed3m Fe<\/p>\n 3<\/dd>\n O<\/p>\n 4<\/dd>\n , Fe(NO<\/p>\n 3<\/dd>\n )<\/p>\n 2<\/dd>\n , Al tan ho\u00e0n to\u00e0n trong dung d\u1ecbch ch\u1ee9a 3,1 mol KHSO<\/p>\n 4<\/dd>\n  lo\u00e3ng.  Sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y ch\u1ec9 ch\u1ee9a 466,6 gam mu\u1ed1i sunfat trung h\u00f2a v\u00e0 10,08 lit \u0111ktc kh\u00ed Z g\u1ed3m 2 kh\u00ed trong \u0111\u00f3 c\u00f3 m\u1ed9t kh\u00ed h\u00f3a n\u00e2u ngo\u00e0i kh\u00f4ng kh\u00ed. Bi\u1ebft t\u1ec9 kh\u1ed1i c\u1ee7a Z so v\u1edbi He l\u00e0 23\/18. Ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a Al trong h\u1ed7n h\u1ee3p X g\u1ea7n nh\u1ea5t v\u1edbi gi\u00e1 tr\u1ecb n\u00e0o sau \u0111\u00e2y.<\/p>\n A. <\/strong>30          B. <\/strong>20          C. <\/strong>15          D. <\/strong>25<\/p>\n C\u00e2u 44:<\/strong> H\u1ed7n h\u1ee3p X g\u1ed3m 3 axit \u0111\u01a1n ch\u1ee9c m\u1ea1ch h\u1edf trong \u0111\u00f3 c\u00f3 hai axit no l\u00e0 \u0111\u1ed3ng \u0111\u1eb3ng k\u1ebf ti\u1ebfp v\u00e0 m\u1ed9t axit kh\u00f4ng no c\u00f3 m\u1ed9t li\u00ean k\u1ebft \u0111\u00f4i. Cho m gam X t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch ch\u1ee9a 0,7 mol NaOH. \u0110\u1ec3 trung h\u00f2a l\u01b0\u1ee3ng NaOH d\u01b0 c\u1ea7n 200 ml dung d\u1ecbch HCl 1M v\u00e0 thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y. C\u00f4 c\u1ea1n c\u1ea9n th\u1eadn Y thu \u0111\u01b0\u1ee3c 52,58 gam ch\u1ea5t r\u1eafn khan Z. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n Z r\u1ed3i h\u1ea5p th\u1ee5 to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m kh\u00ed v\u00e0 h\u01a1i v\u00e0o b\u00ecnh \u0111\u1ef1ng dung d\u1ecbch NaOH d\u01b0 th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng b\u00ecnh t\u0103ng l\u00ean 44,14 gam. Th\u00e0nh ph\u1ea7n % kh\u1ed1i l\u01b0\u1ee3ng axit kh\u00f4ng no l\u00e0.<\/p>\n A. <\/strong>49,81         B. <\/strong>38,94         C. <\/strong>39,84         D. <\/strong>48,19<\/p>\n C\u00e2u 45:<\/strong> Ho\u00e0 tan ho\u00e0n to\u00e0n 12,42 gam Al b\u1eb1ng dung d\u1ecbch HNO3  lo\u00e3ng (d\u01b0), thu \u0111\u01b0\u1ee3c dung d\u1ecbch X v\u00e0 1,344 l\u00edt (\u1edf \u0111ktc) h\u1ed7n h\u1ee3p kh\u00ed Y g\u1ed3m hai kh\u00ed l\u00e0 N2O v\u00e0 N2. T\u1ec9 kh\u1ed1i c\u1ee7a h\u1ed7n h\u1ee3p kh\u00ed Y so v\u1edbi kh\u00ed H2 l\u00e0 18. S\u1ed1 mol axit HNO<\/p>\n 3<\/dd>\n  th\u1ec3 hi\u1ec7n t\u00ednh oxihoa l\u00e0.<\/p>\n A. <\/strong>1,605         B. <\/strong>0,225         C. <\/strong>0.33         D. <\/strong>1,71<\/p>\n C\u00e2u 46:<\/strong> H\u1ee3p ch\u1ea5t X c\u00f3 c\u00f4ng th\u1ee9c C<\/p>\n 8<\/dd>\n H<\/p>\n 14<\/dd>\n O<\/p>\n 4<\/dd>\n  . T\u1eeb X th\u1ef1c hi\u1ec7n c\u00e1c ph\u1ea3n \u1ee9ng (theo \u0111\u00fang t\u1ec9 l\u1ec7 mol): (a) X + 2NaOH \u2192 X<\/p>\n 1<\/dd>\n  + X<\/p>\n 2<\/dd>\n  + H<\/p>\n 2<\/dd>\n O          (b) X<\/p>\n 1<\/dd>\n  + H<\/p>\n 2<\/dd>\n SO4 \u2192 X<\/p>\n 3<\/dd>\n  + Na<\/p>\n 2<\/dd>\n SO4 (c) nX<\/p>\n 3<\/dd>\n  + nX<\/p>\n 4<\/dd>\n  \u2192 nilon-6,6 + 2nH<\/p>\n 2<\/dd>\n O        (d) 2X<\/p>\n 2<\/dd>\n  + X<\/p>\n 3<\/dd>\n  \u2192 X<\/p>\n 5<\/dd>\n  + 2H<\/p>\n 2<\/dd>\n O Ph\u00e2n t\u1eed kh\u1ed1i c\u1ee7a X<\/p>\n 5<\/dd>\n  l\u00e0:<\/p>\n A. <\/strong>174.         B. <\/strong>216.         C. <\/strong>202.         D. <\/strong>198<\/p>\n C\u00e2u 47:<\/strong> H\u00f2a tan 11,6 gam h\u1ed7n h\u1ee3p A g\u1ed3m Fe v\u00e0 Cu v\u00e0o 87,5 gam dung d\u1ecbch HNO<\/p>\n 3<\/dd>\n  50,4%, sau khi kim lo\u1ea1i tan h\u1ebft thu \u0111\u01b0\u1ee3c dung d\u1ecbch X v\u00e0 V lit (\u0111ktc) h\u1ed7n h\u1ee3p kh\u00ed B (g\u1ed3m hai ch\u1ea5t kh\u00ed c\u00f3 t\u1ec9 l\u1ec7 s\u1ed1 mol 3:2). Cho 500 ml dung d\u1ecbch KOH 1M v\u00e0o dung d\u1ecbch X thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a Y v\u00e0 dung d\u1ecbch Z. L\u1ecdc l\u1ea5y Y r\u1ed3i nung trong kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c 16,0 gam ch\u1ea5t r\u1eafn. C\u00f4 c\u1ea1n dung d\u1ecbch Z \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn T. Nung T \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c 41,05 gam ch\u1ea5t r\u1eafn. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. N\u1ed3ng \u0111\u1ed9 % c\u1ee7a Cu(NO<\/p>\n 3<\/dd>\n )<\/p>\n 2<\/dd>\n  trong X l\u00e0<\/p>\n A. <\/strong>40,69%.       B. <\/strong>13,56%.       C. <\/strong>12,20%.       D. <\/strong>10,54%.<\/p>\n C\u00e2u 48:<\/strong> H\u1ed7n h\u1ee3p T g\u1ed3m X, Y, Z bi\u1ebft 58 < M<\/p>\n X<\/dd>\n  < M<\/p>\n Y<\/dd>\n < M<\/p>\n Z<\/dd>\n  < 78.  X, Y, Z l\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 t\u1ea1p ch\u1ee9c, ph\u00e2n t\u1eed ch\u1ec9 ch\u1ee9a C, H, O c\u00f3 t\u00ednh ch\u1ea5t sau:<\/p>\n –      X, Y, Z \u0111\u1ec1u t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Na<\/p>\n –      Y, Z t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi NaHCO<\/p>\n 3<\/dd>\n<\/p>\n –      X, Y \u0111\u1ec1u c\u00f3 ph\u1ea3n \u1ee9ng tr\u00e1ng b\u1ea1c<\/p>\n N\u1ebfu \u0111\u1ed1t ch\u00e1y h\u1ebft 0,25 mol h\u1ed7n h\u1ee3p T th\u00ec thu \u0111\u01b0\u1ee3c m gam CO<\/p>\n 2<\/dd>\n , m g\u1ea7n nh\u1ea5t v\u1edbi gi\u00e1 tr\u1ecb n\u00e0o.<\/p>\n A. <\/strong>44,4         B. <\/strong>22,2         C. <\/strong>11,1         D. <\/strong>33,3<\/p>\n C\u00e2u 49:<\/strong> H\u1ed7n h\u1ee3p X g\u1ed3m 1 mol amin no m\u1ea1ch h\u1edf A v\u00e0 2 mol aminoaxit no m\u1ea1ch h\u1edf B t\u00e1c d\u1ee5ng v\u1eeba \u0111\u1ee7 v\u1edbi  4 mol HCl hay 4 mol NaOH. C\u00f2n n\u1ebfu \u0111\u1ed1t ch\u00e1y a gam h\u1ed7n h\u1ee3p X c\u1ea7n 46,368 l\u00edt O<\/p>\n 2<\/dd>\n  \u0111ktc thu \u0111\u01b0\u1ee3c 8,064 l\u00edt kh\u00ed N<\/p>\n 2<\/dd>\n  \u0111ktc. N\u1ebfu cho a gam h\u1ed7n h\u1ee3p tr\u00ean t\u00e1c d\u1ee5ng v\u1edbi  dung d\u1ecbch HCl d\u01b0 thu \u0111\u01b0\u1ee3c bao nhi\u00eau gam mu\u1ed1i.<\/p>\n A. <\/strong>84,96         B. <\/strong>89,68         C. <\/strong>80,24         D. <\/strong>75,52<\/p>\n C\u00e2u 50:<\/strong> Cho c\u00e1c ph\u00e1t bi\u1ec3u sau:<\/p>\n (a) An\u0111ehit v\u1eeba c\u00f3 t\u00ednh oxi ho\u00e1 v\u1eeba c\u00f3 t\u00ednh kh\u1eed.    <\/p>\n (b) Phenol tham gia ph\u1ea3n \u1ee9ng th\u1ebf brom kh\u00f3 h\u01a1n benzen.<\/p>\n (c) An\u0111ehit t\u00e1c d\u1ee5ng v\u1edbi H2 (d\u01b0) c\u00f3 x\u00fac t\u00e1c Ni \u0111un n\u00f3ng, thu \u0111\u01b0\u1ee3c ancol b\u1eadc m\u1ed9t.<\/p>\n (d) Dung d\u1ecbch axit axetic t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Cu(OH)<\/p>\n 2<\/dd>\n   <\/p>\n (e) Dung d\u1ecbch phenol trong n\u01b0\u1edbc l\u00e0m qu\u1ef3 t\u00edm ho\u00e1 \u0111\u1ecf.<\/p>\n (g) Trong c\u00f4ng nghi\u1ec7p, axeton \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb cumen.    <\/p>\n S\u1ed1 ph\u00e1t bi\u1ec3u \u0111\u00fang l\u00e0 .<\/p>\n A. <\/strong>4.           B. <\/strong>2.           C. <\/strong>3.           D. <\/strong>5.<\/p>\n <\/em><\/p>\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 l\u1ea7n 2 n\u0103m 2016 – THPT L\u00fd Th\u00e1i T\u1ed5, t\u1ec9nh B\u1eafc Ninh, \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c thi ng\u00e0y 16\/1\/2016, c\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y: Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O     T\u1ec8NH B\u1eaeC NINH TR\u01af\u1edcNG THPH […]<\/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