D\u01b0\u1edbi \u0111\u00e2y l\u00e0 \u0111\u1ec1 thi minh h\u1ecda K\u1ef3 thi th\u1eed THPT qu\u1ed1c gia M\u00f4n H\u00f3a h\u1ecdc ch\u00ednh th\u1ee9c n\u0103m 2015 c\u1ee7a B\u1ed9 gi\u00e1o d\u1ee5c. Ch\u00fac c\u00e1c b\u1ea1n h\u1ecdc sinh \u00f4n t\u1eadp th\u1eadt t\u1ed1t \u0111\u1ec3 chu\u1ea9n b\u1ecb cho k\u1ef3 thi quan tr\u1ecdng n\u00e0y!<\/em><\/p>\n

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Cho bi<\/em>\u1ebft nguy\u00ean t<\/em>\u1eed kh<\/em>\u1ed1i c<\/em>\u1ee7a c\u00e1c nguy\u00ean t<\/em>\u1ed1: <\/em><\/p>\n

H = 1; Li = 7; C = 12; N = 14; O = 16; Na = 23; Mg = 24; Al = 27; S = 32; Cl = 35,5; K = 39; Ca = 40; Fe = 56; Cu = 64; Zn = 65; Rb = 85,5; Ag = 108; Cs = 133.<\/p>\n

C\u00e2u 1. <\/strong>\u1ede tr\u1ea1ng th\u00e1i c\u01a1 b\u1ea3n, c\u1ea5u h\u00ecnh electron l\u1edbp ngo\u00e0i c\u00f9ng c\u1ee7a nguy\u00ean t\u1eed X l\u00e0 3s^{2<\/sup>. S\u1ed1 hi\u1ec7u nguy\u00ean t\u1eed c\u1ee7a nguy\u00ean t\u1ed1 X l\u00e0:<\/p>\n}

<\/p>\n

Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 sai<\/strong> khi n\u00f3i v\u1ec1 qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ebf HNO_{3<\/sub>?<\/p>\n}

A.<\/strong> HNO_{3 <\/sub>l\u00e0 axit y\u1ebfu h\u01a1n H2<\/sub>SO4<\/sub> n\u00ean b\u1ecb \u0111\u1ea9y ra kh\u1ecfi mu\u1ed1i.<\/p>\n}

B.<\/strong> HNO_{3<\/sub> sinh ra d\u01b0\u1edbi d\u1ea1ng h\u01a1i n\u00ean c\u1ea7n l\u00e0m l\u1ea1nh \u0111\u1ec3 ng\u01b0ng t\u1ee5.<\/p>\n}

C.<\/strong> \u0110\u1ed1t n\u00f3ng b\u00ecnh c\u1ea7u b\u1eb1ng \u0111\u00e8n c\u1ed3n \u0111\u1ec3 ph\u1ea3n \u1ee9ng x\u1ea3y ra nhanh h\u01a1n<\/p>\n

D.<\/strong> HNO_{3<\/sub> c\u00f3 nhi\u1ec7t \u0111\u1ed9 s\u00f4i th\u1ea5p (83^{0<\/sup>C) n\u00ean d\u1ec5 b\u1ecb bay h\u01a1i khi \u0111un n\u00f3ng.<\/p>\n}}

C\u00e2u 4. <\/strong>Nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc n\u00e0o sau \u0111\u00e2y thu\u1ed9c nh\u00f3m halogen?<\/p>\n

A.<\/strong> Clo. B.<\/strong> Oxi. C.<\/strong> Nit\u01a1. D.<\/strong> Cacbon.<\/p>\n

C\u00e2u 5.<\/strong> Th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a ph\u00e2n \u0111\u1ea1m ure l\u00e0<\/p>\n

A. <\/strong> (NH_{2<\/sub>)2<\/sub>CO. B.<\/strong> Ca(H2<\/sub>PO4<\/sub>)2<\/sub>. C.<\/strong> KCl. D.<\/strong> K2<\/sub>SO4<\/sub>.<\/p>\n}

C\u00e2u 6. <\/strong>Khi \u0111\u1ed1t ch\u00e1y than \u0111\u00e1, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed trong \u0111\u00f3 c\u00f3 kh\u00ed X (kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, \u0111\u1ed9c). X l\u00e0 kh\u00ed n\u00e0o sau \u0111\u00e2y?<\/p>\n

A. <\/strong> CO_{2<\/sub>. B.<\/strong> CO. C.<\/strong> SO2<\/sub>. D.<\/strong> NO2<\/sub>.<\/p>\n}

C\u00e2u 7:<\/strong> H\u1ed7n h\u1ee3p X g\u1ed3m Mg (0,10 mol), Al (0,04 mol) v\u00e0 Zn (0,15 mol). Cho X t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HNO_{3<\/sub> lo\u00e3ng (d\u01b0), sau ph\u1ea3n \u1ee9ng kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch t\u0103ng 13,23 gam. S\u1ed1 mol HNO3<\/sub> tham gia ph\u1ea3n \u1ee9ng l\u00e0:<\/p>\n}

A. <\/strong> 0,6200 mol. B.<\/strong> 1,2400 mol. C.<\/strong> 0,6975 mol. D.<\/strong> 0,7750 mol.<\/p>\n\n\n\n\n\n

C\u00e2u 8.<\/strong> Ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc n\u00e0o sau \u0111\u00e2y l\u00e0 sai<\/strong>?<\/td>\n	<\/td>\n	<\/td>\n<\/tr>\n
A.<\/strong> 2Na + 2H2<\/sub>O \u2192 2NaOH + H2<\/sub>.<\/td>\n	<\/td>\n	B.<\/strong> Ca + 2HCl \u2192 CaCl2<\/sub> + H2<\/sub>.<\/td>\n<\/tr>\n
C.<\/strong> Fe + CuSO4<\/sub> \u2192 FeSO4<\/sub> + Cu.<\/td>\n	<\/td>\n	D.<\/strong> Cu + H2<\/sub>SO4<\/sub> \u2192 CuSO4<\/sub> + H2<\/sub>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n C\u00e2u 9.<\/strong> Cho c\u00e1c nguy\u00ean t\u1ed1 v\u1edbi s\u1ed1 hi\u1ec7u nguy\u00ean t\u1eed sau: X (Z = 1); Y (Z = 7); E (Z = 12); T (Z = 19). D\u00e3y g\u1ed3m c\u00e1c nguy\u00ean t\u1ed1 kim lo\u1ea1i l\u00e0:<\/p>\n A.<\/strong> X, Y, E. B.<\/strong> X, Y, E, T. C.<\/strong> E, T. D.<\/strong> Y, T.<\/p>\n C\u00e2u 10. <\/strong>Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang?<\/p>\n A.<\/strong> \u1ede \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng, c\u00e1c kim lo\u1ea1i \u0111\u1ec1u c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang l\u1edbn h\u01a1n kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a n\u01b0\u1edb<\/p>\n B.<\/strong> T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u1eb7c tr\u01b0ng c\u1ee7a kim lo\u1ea1i l\u00e0 t\u00ednh kh\u1eed.<\/p>\n C.<\/strong> C\u00e1c kim lo\u1ea1i \u0111\u1ec1u ch\u1ec9 c\u00f3 m\u1ed9t s\u1ed1 oxi ho\u00e1 duy nh\u1ea5t trong c\u00e1c h\u1ee3p ch\u1ea5t<\/p>\n D.<\/strong> \u1ede \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng, t\u1ea5t c\u1ea3 c\u00e1c kim lo\u1ea1i \u0111\u1ec1u \u1edf tr\u1ea1ng th\u00e1i r\u1eafn.<\/p>\n C\u00e2u 11.<\/strong> \u0110i\u1ec7n ph\u00e2n v\u1edbi \u0111i\u1ec7n c\u1ef1c tr\u01a1 dung d\u1ecbch ch\u1ee9a 0,2 mol Cu(NO3<\/sub>)2<\/sub>, c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n 2,68A, trong th\u1eddi gian t (gi\u1edd), thu \u0111\u01b0\u1ee3c dung d\u1ecbch X. Cho 14,4 gam b\u1ed9t Fe v\u00e0o X, thu \u0111\u01b0\u1ee3c kh\u00ed NO (s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t c\u1ee7a N+5<\/sup>) v\u00e0 13,5 gam ch\u1ea5t r\u1eafn. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a qu\u00e1 tr\u00ecnh \u0111i\u1ec7n ph\u00e2n l\u00e0 100%. Gi\u00e1 tr\u1ecb c\u1ee7a t l\u00e0<\/p>\n A.<\/strong> 0,60. B.<\/strong> 1,00. C.<\/strong> 0,25. D.<\/strong> 1,20.<\/p>\n C\u00e2u 12.<\/strong> Ch\u1ea5t n\u00e0o sau \u0111\u00e2y kh\u00f4ng<\/strong> ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch NaOH?<\/p>\n A.<\/strong> Cl2<\/sub>. B.<\/strong> Al. C.<\/strong> CO2<\/sub>. D.<\/strong> CuO.<\/p>\n C\u00e2u 13.<\/strong> \u0110\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp c\u1eb7n trong \u1ea5m \u0111un n\u01b0\u1edbc l\u00e2u ng\u00e0y, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 d\u00f9ng dung d\u1ecbch n\u00e0o sau \u0111\u00e2y?<\/p>\n A.<\/strong> Gi\u1ea5m \u0103n B.<\/strong> N\u01b0\u1edbc v\u00f4i. C.<\/strong> Mu\u1ed1i \u0103n. D.<\/strong> C\u1ed3n 700<\/sup>.<\/p>\n C\u00e2u 14. <\/strong>Tr\u01b0\u1eddng h\u1ee3p n\u00e0o d\u01b0\u1edbi \u0111\u00e2y thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n? A.<\/strong> Cho dung d\u1ecbch NaOH d\u01b0 v\u00e0o dung d\u1ecbch AlCl3<\/sub>.<\/p>\n B<\/strong>. Cho dung d\u1ecbch AlCl3<\/sub> d\u01b0 v\u00e0o dung d\u1ecbch NaOH.<\/p>\n C.<\/strong> Cho CaCO3<\/sub> v\u00e0o l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch HCl.<\/p>\n D.<\/strong> S\u1ee5c CO2<\/sub> t\u1edbi d\u01b0 v\u00e0o dung d\u1ecbch Ca(OH)2<\/sub>.<\/p>\n C\u00e2u 15.<\/strong> Dung d\u1ecbch X g\u1ed3m Al2<\/sub>(SO4<\/sub>)3<\/sub> 0,75M v\u00e0 H2<\/sub>SO4<\/sub> 0,75M. Cho V1<\/sub> ml dung d\u1ecbch KOH 1M v\u00e0o 100 ml dung d\u1ecbch X, thu \u0111\u01b0\u1ee3c 3,9 gam k\u1ebft t\u1ee7a. M\u1eb7t kh\u00e1c, khi cho V2<\/sub> ml dung d\u1ecbch KOH 1M v\u00e0o 100 ml dung d\u1ecbch X c\u0169ng thu \u0111\u01b0\u1ee3c 3,9 gam k\u1ebft t\u1ee7a. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. T\u1ec9 l\u1ec7 V2<\/sub> : V1<\/sub> l\u00e0<\/p>\n A<\/strong>. 4 : 3. B. <\/strong>25 : 9. C. <\/strong>13 : 9. D. <\/strong>7 : 3.<\/p>\n C\u00e2u 16.<\/strong> Cho 115,3 gam h\u1ed7n h\u1ee3p hai mu\u1ed1i MgCO3<\/sub> v\u00e0 RCO3<\/sub> v\u00e0o dung d\u1ecbch H2<\/sub>SO4<\/sub> lo\u00e3ng, thu \u0111\u01b0\u1ee3c 4,48 l\u00edt kh\u00ed CO2 <\/sub>(\u0111ktc), ch\u1ea5t r\u1eafn X v\u00e0 dung d\u1ecbch Y ch\u1ee9a 12 gam mu\u1ed1i. Nung X \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i, thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn Z v\u00e0 11,2 l\u00edt kh\u00ed CO2<\/sub> (\u0111ktc). Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a Z l\u00e0<\/p>\n A.<\/strong> 92,1 gam. B. <\/strong>80,9 gam. C. <\/strong>84,5 gam. D. <\/strong>88,5 gam.<\/p>\n C\u00e2u 17. <\/strong>Ch\u1ea5t r\u1eafn X m\u00e0u \u0111\u1ecf th\u1eabm tan trong n\u01b0\u1edbc th\u00e0nh dung d\u1ecbch m\u00e0u v\u00e0ng. M\u1ed9t s\u1ed1 ch\u1ea5t nh\u01b0 S, P, C, C2<\/sub>H5<\/sub>OH\u2026 b\u1ed1c ch\u00e1y khi ti\u1ebfp x\u00fac v\u1edbi X. Ch\u1ea5t X l\u00e0<\/p>\n A.<\/strong> P. B.<\/strong> Fe2<\/sub>O3<\/sub>. C.<\/strong> CrO3<\/sub>. D.<\/strong> Cu.<\/p>\n C\u00e2u 18.<\/strong> Nh\u1eadn \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y l\u00e0 sai<\/strong>?<\/p>\n A.<\/strong> Gang v\u00e0 th\u00e9p \u0111\u1ec1u l\u00e0 h\u1ee3p kim. B.<\/strong> Crom c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 m\u1ea1 th\u00e9p.<\/p>\n C.<\/strong> S\u1eaft l\u00e0 nguy\u00ean t\u1ed1 ph\u1ed5 bi\u1ebfn nh\u1ea5t trong v\u1ecf tr\u00e1i \u0111\u1ea5t.<\/p>\n D.<\/strong> Th\u00e9p c\u00f3 h\u00e0m l\u01b0\u1ee3ng Fe cao h\u01a1n gang.<\/p>\n C\u00e2u 19.<\/strong> Cho m gam b\u1ed9t Fe v\u00e0o 200 ml dung d\u1ecbch ch\u1ee9a hai mu\u1ed1i AgNO3<\/sub> 0,15M v\u00e0 Cu(NO3<\/sub>)2<\/sub> 0,1M, sau m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c 3,84 gam h\u1ed7n h\u1ee3p kim lo\u1ea1i v\u00e0 dung d\u1ecbch X. Cho 3,25 gam b\u1ed9t Zn v\u00e0o dung d\u1ecbch X, sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c 3,895 gam h\u1ed7n h\u1ee3p kim lo\u1ea1i v\u00e0 dung d\u1ecbch Y. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n A.<\/strong> 0,560. B.<\/strong> 2,240. C.<\/strong> 2,800. D.<\/strong> 1,435.<\/p>\n C\u00e2u 20. <\/strong>Cho d\u00e3y c\u00e1c ch\u1ea5t sau: Cu, Al, KNO3<\/sub>, FeCl3<\/sub>. S\u1ed1 ch\u1ea5t trong d\u00e3y t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi dung d\u1ecbch NaOH l\u00e0<\/p>\n A.<\/strong>1. B. <\/strong>2. C. <\/strong>4. D. <\/strong>3.<\/p>\n C\u00e2u 21.<\/strong> Cho 46,8 gam h\u1ed7n h\u1ee3p CuO v\u00e0 Fe3<\/sub>O4<\/sub> (t\u1ec9 l\u1ec7 mol 1:1) tan h\u1ebft trong dung d\u1ecbch H2<\/sub>SO4<\/sub> lo\u00e3ng, v\u1eeba \u0111\u1ee7, thu \u0111\u01b0\u1ee3c dung d\u1ecbch A. Cho m gam Mg v\u00e0o A, sau khi ph\u1ea3n \u1ee9ng k\u1ebft th\u00fac thu \u0111\u01b0\u1ee3c dung d\u1ecbch B. <\/strong>Th\u00eam dung d\u1ecbch KOH d\u01b0 v\u00e0o B \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a D. Nung D trong kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i, thu \u0111\u01b0\u1ee3c 45,0 gam ch\u1ea5t r\u1eafn E. Gi\u00e1 tr\u1ecb g<\/strong>\u1ea7n nh<\/strong>\u1ea5t<\/strong> c\u1ee7a m l\u00e0<\/p>\n A.<\/strong> 6,6. B. <\/strong>11,0. C. <\/strong>13,2. D. <\/strong>8,8.<\/p>\n C\u00e2u 22.<\/strong> Ho\u00e0 tan ho\u00e0n to\u00e0n 12,2 gam h\u1ed7n h\u1ee3p g\u1ed3m FeCl2<\/sub> v\u00e0 NaCl (c\u00f3 t\u1ec9 l\u1ec7 s\u1ed1 mol t\u01b0\u01a1ng \u1ee9ng l\u00e0 1 : 2) v\u00e0o m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc d\u01b0, thu \u0111\u01b0\u1ee3c dung d\u1ecbch X. Cho dung d\u1ecbch AgNO3<\/sub> d\u01b0 v\u00e0o X, sau khi 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> 34,1. B. <\/strong>28,7. C. <\/strong>10,8. D. <\/strong>57,4.<\/p>\n C\u00e2u 23.<\/strong> C\u00e1c nh\u1eadn x\u00e9t sau:<\/p>\n \n Ph\u00e2n \u0111\u1ea1m amoni kh\u00f4ng n\u00ean b\u00f3n cho lo\u1ea1i \u0111\u1ea5t chua.<\/li>\n \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.<\/li>\n Th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a supephotphat k\u00e9p l\u00e0 Ca(H2<\/sub>PO4<\/sub>)2<\/sub>.CaSO4<\/sub>.<\/li>\n 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.<\/li>\n Tro th\u1ef1c v\u1eadt c\u0169ng l\u00e0 m\u1ed9t lo\u1ea1i ph\u00e2n kali v\u00ec c\u00f3 ch\u1ee9a K2<\/sub>CO3<\/sub>.<\/li>\n Amophot l\u00e0 m\u1ed9t lo\u1ea1i ph\u00e2n b\u00f3n ph\u1ee9c h\u1ee3<\/li>\n<\/ul>\n S\u1ed1 nh\u1eadn x\u00e9t sai<\/strong> l\u00e0<\/p>\n A.<\/strong> 4. B. <\/strong>3. C. <\/strong>2. D. <\/strong>1.<\/p>\n C\u00e2u 24.<\/strong> Ba dung d\u1ecbch A, B, C tho\u1ea3 m\u00e3n:<\/p>\n \u2013 A t\u00e1c d\u1ee5ng v\u1edbi B th\u00ec c\u00f3 k\u1ebft t\u1ee7a xu\u1ea5t hi\u1ec7n; \u2013 B t\u00e1c d\u1ee5ng v\u1edbi C th\u00ec c\u00f3 k\u1ebft t\u1ee7a xu\u1ea5t hi\u1ec7n; \u2013 A t\u00e1c d\u1ee5ng v\u1edbi C th\u00ec c\u00f3 kh\u00ed tho\u00e1t ra. A, B, C l\u1ea7n l\u01b0\u1ee3t l\u00e0:<\/p>\n A.<\/strong> Al2<\/sub>(SO4<\/sub>)3<\/sub>, BaCl2<\/sub>, Na2<\/sub>SO4<\/sub>. B. <\/strong>FeCl2<\/sub>, Ba(OH)2<\/sub>, AgNO3<\/sub>.<\/p>\n C.<\/strong> NaHSO4<\/sub>, BaCl2<\/sub>, Na2<\/sub>CO3<\/sub>. D. <\/strong>NaHCO3<\/sub>, NaHSO4<\/sub>, BaCl2<\/sub>.<\/p>\n C\u00e2u 25. <\/strong>Cho 66,2 gam h\u1ed7n h\u1ee3p X g\u1ed3m Fe3<\/sub>O4<\/sub>, Fe(NO3<\/sub>)2<\/sub>, Al tan ho\u00e0n to\u00e0n trong dung d\u1ecbch ch\u1ee9a 3,1 mol KHSO4<\/sub> 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 l\u00edt (\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 . Ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a Al trong h\u1ed7n h\u1ee3p X g<\/strong>\u1ea7n nh<\/strong>\u1ea5t<\/strong> v\u1edbi gi\u00e1 tr\u1ecb n\u00e0o sau \u0111\u00e2y?<\/p>\n A.<\/strong> 15. B. <\/strong>20. C. <\/strong>25. D. <\/strong>30.<\/p>\n C\u00e2u 26.<\/strong> Cho 200 ml dung d\u1ecbch Ba(OH)2<\/sub> 0,6M v\u00e0o 100 ml dung d\u1ecbch ch\u1ee9a NaHCO3<\/sub> 2M v\u00e0 BaCl2<\/sub> 1M, thu \u0111\u01b0\u1ee3c a gam k\u1ebft t\u1ee7a. Gi\u00e1 tr\u1ecb c\u1ee7a a l\u00e0:<\/p>\n A.<\/strong> 29,55. B.<\/strong> 19,70. C.<\/strong> 39,40. D.<\/strong> 35,46.<\/p>\n C\u00e2u 27. <\/strong>Tr\u00ean th\u1ebf gi\u1edbi, r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi m\u1eafc c\u00e1c b\u1ec7nh v\u1ec1 ph\u1ed5i b\u1edfi ch\u1ee9ng nghi\u1ec7n thu\u1ed1c l\u00e1. Nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0 do trong kh\u00f3i thu\u1ed1c l\u00e1 c\u00f3 ch\u1ee9a ch\u1ea5t<\/p>\n A.<\/strong> nicotin. B.<\/strong> aspirin. C.<\/strong> cafein. D.<\/strong> moocphin.<\/p>\n C\u00e2u 28.<\/strong> Ankin l\u00e0 nh\u1eefng hi\u0111rocacbon kh\u00f4ng no, m\u1ea1ch h\u1edf, c\u00f3 c\u00f4ng th\u1ee9c chung l\u00e0<\/p>\n A<\/strong>. Cn<\/sub>H2n+2<\/sub> (n \u2265 1). B.<\/strong> Cn<\/sub>H2n<\/sub> (n \u2265 2). C.<\/strong> Cn<\/sub>H2n-2<\/sub> (n \u2265 2). D.<\/strong> Cn<\/sub>H2n-6<\/sub> (n \u2265 6).<\/p>\n C\u00e2u 29.<\/strong> T\u1eeb tinh d\u1ea7u h\u1ed3i, ng\u01b0\u1eddi ta t\u00e1ch \u0111\u01b0\u1ee3c anetol l\u00e0 m\u1ed9t ch\u1ea5t th\u01a1m \u0111\u01b0\u1ee3c d\u00f9ng s\u1ea3n xu\u1ea5t k\u1eb9o cao su. Anetol c\u00f3 t\u1ec9 kh\u1ed1i h\u01a1i so v\u1edbi N2<\/sub> l\u00e0 5,286. Ph\u00e2n t\u00edch nguy\u00ean t\u1ed1 cho th\u1ea5y, anetol c\u00f3 ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng cacbon v\u00e0 hi\u0111ro t\u01b0\u01a1ng \u1ee9ng l\u00e0 81,08%; 8,10%, c\u00f2n l\u1ea1i l\u00e0 oxi. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a anetol l\u00e0:<\/p>\n A.<\/strong> C10<\/sub>H12<\/sub>O. B.<\/strong> C5<\/sub>H6<\/sub>O. C.<\/strong> C3<\/sub>H8<\/sub>O. D.<\/strong> C6<\/sub>H12<\/sub>O.<\/p>\n C\u00e2u 30.<\/strong> T\u00ean thay th\u1ebf c\u1ee7a ancol c\u00f3 c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o thu g\u1ecdn CH3<\/sub>CH2<\/sub>CH2<\/sub>OH l\u00e0<\/p>\n A.<\/strong> propan-1-ol. B.<\/strong> propan-2-ol.<\/p>\n C.<\/strong> pentan-1-ol. D.<\/strong> pentan-2-ol.<\/p>\n C\u00e2u 31.<\/strong> Ch\u1ea5t n\u00e0o sau \u0111\u00e2y c\u00f3 ph\u1ea3n \u1ee9ng tr\u00e1ng b\u1ea1c?<\/p>\n A.<\/strong> CH3<\/sub>CHO. B.<\/strong> C2<\/sub>H5<\/sub>OH. C.<\/strong> CH3<\/sub>COOH. D.<\/strong> CH3<\/sub>NH2<\/sub>.<\/p>\n C\u00e2u 32.<\/strong> H\u1ed7n h\u1ee3p T g\u1ed3m ba ch\u1ea5t h\u1eefu c\u01a1 X, Y, Z (50 < MX<\/sub> < MY<\/sub> < MZ<\/sub> v\u00e0 \u0111\u1ec1u t\u1ea1o n\u00ean t\u1eeb c\u00e1c nguy\u00ean t\u1ed1 (C, H, O). \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m gam T thu \u0111\u01b0\u1ee3c H2<\/sub>O v\u00e0 2,688 l\u00edt kh\u00ed CO2<\/sub> (\u0111ktc). Cho m gam T ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch NaHCO3<\/sub> d\u01b0, thu \u0111\u01b0\u1ee3c 1,568 l\u00edt kh\u00ed CO2<\/sub> (\u0111ktc). M\u1eb7t kh\u00e1c, cho m gam T ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n v\u1edbi l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch AgNO3<\/sub> trong NH3<\/sub>, thu \u0111\u01b0\u1ee3c 10,8 gam Ag. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0:<\/p>\n A.<\/strong> 4,6. B.<\/strong> 4,8. C.<\/strong> 5,2. D.<\/strong> 4,4.<\/p>\n C\u00e2u 33.<\/strong> Cho d\u00e3y c\u00e1c dung d\u1ecbch sau: NaOH, NaHCO3<\/sub>, HCl, NaNO3<\/sub>, Br2<\/sub>. S\u1ed1 dung d\u1ecbch trong d\u00e3y ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi Phenol l\u00e0<\/p>\n A.<\/strong> 2. B.<\/strong> 3. C. <\/strong>4. D. <\/strong>1.<\/p>\n C\u00e2u 34.<\/strong> M\u1ed9t s\u1ed1 axit cacboxylic nh\u01b0 axit oxalic, axit tactric\u2026 g\u00e2y ra v\u1ecb chua cho qu\u1ea3 s\u1ea5u xanh. Trong qu\u00e1 tr\u00ecnh l\u00e0m m\u00f3n s\u1ea5u ng\u00e2m \u0111\u01b0\u1eddng, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng dung d\u1ecbch n\u00e0o sau \u0111\u00e2y \u0111\u1ec3 l\u00e0m gi\u1ea3m v\u1ecb chua c\u1ee7a qu\u1ea3 s\u1ea5u?<\/p>\n A.<\/strong> N\u01b0\u1edbc v\u00f4i trong. B.<\/strong> Gi\u1ea5m \u0103n. C.<\/strong> Ph\u00e8n chua. D.<\/strong> Mu\u1ed1i \u0103n.<\/p>\n C\u00e2u 35. <\/strong>Khi b\u1ecb \u1ed1m, m\u1ea5t s\u1ee9c, nhi\u1ec1u ng\u01b0\u1eddi b\u1ec7nh th\u01b0\u1eddng \u0111\u01b0\u1ee3c truy\u1ec1n d\u1ecbch \u0111\u01b0\u1eddng \u0111\u1ec3 b\u1ed5 sung nhanh n\u0103ng l\u01b0\u1ee3ng. Ch\u1ea5t trong d\u1ecbch truy\u1ec1n c\u00f3 t\u00e1c d\u1ee5ng tr\u00ean l\u00e0<\/p>\n A.<\/strong> Glucoz\u01a1. B.<\/strong> Saccaroz\u01a1. C.<\/strong> Fructoz\u01a1. D.<\/strong> Mantoz\u01a1.<\/p>\n C\u00e2u 36. <\/strong>S\u1ed1 este c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed C4<\/sub>H8<\/sub>O2<\/sub> m\u00e0 khi th\u1ee7y ph\u00e2n trong m\u00f4i tr\u01b0\u1eddng axit th\u00ec thu \u0111\u01b0\u1ee3c axit fomic l\u00e0:<\/p>\n A.<\/strong> 1. B.<\/strong> 2. C.<\/strong> 3. D.<\/strong> 4.<\/p>\n C\u00e2u 37.<\/strong> Th\u1ee7y ph\u00e2n m\u1ed9t triglixerit X b\u1eb1ng dung d\u1ecbch NaOH, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p mu\u1ed1i g\u1ed3m natri oleat, natri stearat (c\u00f3 t\u1ec9 l\u1ec7 mol t\u01b0\u01a1ng \u1ee9ng l\u00e0 1 : 2) v\u00e0 glixerol. C\u00f3 bao nhi\u00eau triglixerit X th\u1ecfa m\u00e3n t\u00ednh ch\u1ea5t tr\u00ean?<\/p>\n A.<\/strong> 2. B.<\/strong> 1. C.<\/strong> 3. D.<\/strong> 4.<\/p>\n C\u00e2u 38. <\/strong>L\u00ean men m gam tinh b\u1ed9t th\u00e0nh ancol etylic v\u1edbi hi\u1ec7u su\u1ea5t c\u1ee7a c\u1ea3 qu\u00e1 tr\u00ecnh l\u00e0 75%. L\u01b0\u1ee3ng CO2<\/sub> sinh ra \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 ho\u00e0n to\u00e0n v\u00e0o dung d\u1ecbch Ca(OH)2<\/sub>, thu \u0111\u01b0\u1ee3c 50 gam k\u1ebft t\u1ee7a v\u00e0 dung d\u1ecbch X. Th\u00eam dung d\u1ecbch NaOH 1M v\u00e0o X, thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a. \u0110\u1ec3 l\u01b0\u1ee3ng k\u1ebft t\u1ee7a thu \u0111\u01b0\u1ee3c l\u00e0 l\u1edbn nh\u1ea5t th\u00ec c\u1ea7n t\u1ed1i thi\u1ec3u 100 ml dung d\u1ecbch NaOH. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n \n A<\/strong>. 72,0. B<\/strong>. 90,0. C<\/strong>. 64,8. D<\/strong>. 75,6.<\/li>\n<\/ol>\n C\u00e2u 39.<\/strong> X\u00e0 ph\u00f2ng ho\u00e1 ho\u00e0n to\u00e0n m gam m\u1ed9t este no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf E b\u1eb1ng 26 gam dung d\u1ecbch<\/p>\n MOH 28% (M l\u00e0 kim lo\u1ea1i ki\u1ec1m). C\u00f4 c\u1ea1n h\u1ed7n h\u1ee3p sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 24,72 gam ch\u1ea5t l\u1ecfng X v\u00e0 10,08 gam ch\u1ea5t r\u1eafn khan Y. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n Y, thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m g\u1ed3m CO2<\/sub>, H2<\/sub>O v\u00e0 8,97 gam mu\u1ed1i cacbonat khan. M\u1eb7t kh\u00e1c, cho X t\u00e1c d\u1ee5ng v\u1edbi Na d\u01b0, thu \u0111\u01b0\u1ee3c 12,768 l\u00edt kh\u00ed H2<\/sub> (\u0111ktc). Ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng mu\u1ed1i trong Y c\u00f3 gi\u00e1 tr<\/strong>\u1ecb g<\/strong>\u1ea7n nh<\/strong>\u1ea5t<\/strong> v\u1edbi<\/p>\n A<\/strong>. 67,5. B.<\/strong> 85,0. C.<\/strong> 80,0. D.<\/strong> 97,5.<\/p>\n C\u00e2u 40: <\/strong>Ch\u1ea5t n\u00e0o sau \u0111\u00e2y tr\u00f9ng h\u1ee3p t\u1ea1o PVC?<\/p>\n A.<\/strong> CH2<\/sub>=CHCl. B. <\/strong>CH2<\/sub>=CH2<\/sub>. C. <\/strong>CHCl=CHCl. D. <\/strong>CH\u2261CH.<\/p>\n C\u00e2u 41.<\/strong> Ch\u1ea5t n\u00e0o sau \u0111\u00e2y l\u00e0 amin b\u1eadc 2?<\/p>\n A.<\/strong> H2<\/sub>N-CH2<\/sub>-NH2.<\/sub> B. <\/strong>(CH3<\/sub>)2<\/sub>CH-NH2<\/sub>.<\/p>\n C.<\/strong> CH3<\/sub>-NH-CH3<\/sub>. D. <\/strong>(CH3<\/sub>)3<\/sub>N.<\/p>\n C\u00e2u 42.<\/strong> Khi n\u00f3i v\u1ec1 protein, ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y sai<\/strong>?<\/p>\n A. <\/strong>Protein c\u00f3 ph\u1ea3n \u1ee9ng m\u00e0u biure.<\/p>\n B.<\/strong> T\u1ea5t c\u1ea3 c\u00e1c protein \u0111\u1ec1u tan trong n\u01b0\u1edbc t\u1ea1o th\u00e0nh dung d\u1ecbch keo.<\/p>\n C.<\/strong> Protein l\u00e0 nh\u1eefng polipeptit cao ph\u00e2n t\u1eed c\u00f3 ph\u00e2n t\u1eed kh\u1ed1i t\u1eeb v\u00e0i ch\u1ee5c ngh\u00ecn \u0111\u1ebfn v\u00e0i tri\u1ec7u<\/p>\n D.<\/strong> Th\u00e0nh ph\u1ea7n ph\u00e2n t\u1eed c\u1ee7a protein lu\u00f4n c\u00f3 nguy\u00ean t\u1ed1 nit\u01a1.<\/p>\n C\u00e2u 43. <\/strong>\u0110un n\u00f3ng 0,16 mol h\u1ed7n h\u1ee3p E g\u1ed3m hai peptit X (Cx<\/sub>Hy<\/sub>Oz<\/sub>N6<\/sub>) v\u00e0 Y (Cn<\/sub>Hm<\/sub>O6<\/sub>Nt<\/sub>) c\u1ea7n d\u00f9ng 600 ml dung d\u1ecbch NaOH 1,5M ch\u1ec9 thu \u0111\u01b0\u1ee3c dung d\u1ecbch ch\u1ee9a a mol mu\u1ed1i c\u1ee7a glyxin v\u00e0 b mol mu\u1ed1i c\u1ee7a alanin. M\u1eb7t kh\u00e1c \u0111\u1ed1t ch\u00e1y 30,73 gam E trong O2<\/sub> v\u1eeba \u0111\u1ee7 thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p CO2<\/sub>, H2<\/sub>O v\u00e0 N2<\/sub>, trong \u0111\u00f3 t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a CO2<\/sub> v\u00e0 n\u01b0\u1edbc l\u00e0 69,31 gam. Gi\u00e1 tr\u1ecb a : b g<\/strong>\u1ea7n nh<\/strong>\u1ea5t<\/strong> v\u1edbi<\/p>\n A<\/strong>. 0,730. B<\/strong>. 0,810. C<\/strong>. 0,756. D<\/strong>. 0,962.<\/p>\n C\u00e2u 44.<\/strong> Amino axit X c\u00f3 c\u00f4ng th\u1ee9c (H2<\/sub>N)2<\/sub>C3<\/sub>H5<\/sub>COOH. Cho 0,02 mol X t\u00e1c d\u1ee5ng v\u1edbi 200 ml dung d\u1ecbch h\u1ed7n h\u1ee3p H2<\/sub>SO4<\/sub> 0,1M v\u00e0 HCl 0,3M, thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y. Cho Y ph\u1ea3n \u1ee9ng v\u1eeba \u0111\u1ee7 v\u1edbi 400 ml dung d\u1ecbch NaOH 0,1M v\u00e0 KOH 0,2M, thu \u0111\u01b0\u1ee3c dung d\u1ecbch ch\u1ee9a m gam mu\u1ed1i. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n A.<\/strong> 10,43. B.<\/strong> 6,38. C.<\/strong> 10,45. D.<\/strong> 8,09.<\/p>\n  <\/p>\n C\u00e2u 46. <\/strong>Cho d\u00e3y c\u00e1c dung d\u1ecbch: HCOOH, C2<\/sub>H5<\/sub>NH2<\/sub>, NH3<\/sub>, C6<\/sub>H5<\/sub>OH (phenol). Dung d\u1ecbch kh\u00f4ng<\/strong> l\u00e0m \u0111\u1ed5i m\u00e0u qu\u1ef3 t\u00edm l\u00e0<\/p>\n \n HCOOH. B.<\/strong> C2<\/sub>H5<\/sub>NH2<\/sub>. C. <\/strong>C6<\/sub>H5<\/sub>OH. D.<\/strong> NH3<\/sub>.<\/li>\n<\/ol>\n C\u00e2u 47. <\/strong>Ancol X (MX<\/sub> = 76) t\u00e1c d\u1ee5ng v\u1edbi axit cacboxylic Y thu \u0111\u01b0\u1ee3c h\u1ee3p ch\u1ea5t Z m\u1ea1ch h\u1edf (X v\u00e0 Y \u0111\u1ec1u ch\u1ec9 c\u00f3 m\u1ed9t lo\u1ea1i nh\u00f3m ch\u1ee9c). \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 17,2 gam Z c\u1ea7n v\u1eeba \u0111\u1ee7 14,56 l\u00edt kh\u00ed O2<\/sub> (\u0111ktc), thu \u0111\u01b0\u1ee3c CO2<\/sub> v\u00e0 H2<\/sub>O theo t\u1ec9 l\u1ec7 s\u1ed1 mol t\u01b0\u01a1ng \u1ee9ng l\u00e0 7 : 4. M\u1eb7t kh\u00e1c, 17,2 gam Z l\u1ea1i ph\u1ea3n \u1ee9ng v\u1eeba \u0111\u1ee7 v\u1edbi 8 gam NaOH trong dung d\u1ecbch. Bi\u1ebft Z c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed tr\u00f9ng v\u1edbi c\u00f4ng th\u1ee9c \u0111\u01a1n gi\u1ea3n nh\u1ea5t. S\u1ed1 c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a Z th\u1ecfa m\u00e3n l\u00e0<\/p>\n A. <\/strong>1. B. <\/strong>3. C. <\/strong>2. D. <\/strong>4.<\/p>\n C\u00e2u 48. <\/strong>Cho d\u00e3y c\u00e1c ch\u1ea5t: m<\/em>-CH3<\/sub>COOC6<\/sub>H4<\/sub>CH3<\/sub>; m<\/em>-HCOOC6<\/sub>H4<\/sub>OH; ClH3<\/sub>NCH2<\/sub>COONH4<\/sub>; p<\/em>-C6<\/sub>H4<\/sub>(OH)2<\/sub>; p<\/em>-HOC6<\/sub>H4<\/sub>CH2<\/sub>OH; H2<\/sub>NCH2<\/sub>COOCH3<\/sub>; CH3<\/sub>NH3<\/sub>NO3<\/sub>. S\u1ed1 ch\u1ea5t trong d\u00e3y m\u00e0 1 mol ch\u1ea5t \u0111\u00f3 ph\u1ea3n \u1ee9ng t\u1ed1i \u0111a \u0111\u01b0\u1ee3c v\u1edbi 2 mol NaOH l\u00e0<\/p>\n A<\/strong>. 2. B. <\/strong>3. C. <\/strong>5. D.<\/strong> 4.<\/p>\n C\u00e2u 49<\/strong>. H\u1ed7n h\u1ee3p X g\u1ed3m 2 ancol CH3<\/sub>OH, C2<\/sub>H5<\/sub>OH c\u00f3 c\u00f9ng s\u1ed1 mol v\u00e0 2 axit C2<\/sub>H5<\/sub>COOH v\u00e0<\/p>\n HOOC[CH2<\/sub>]4<\/sub>COOH. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 1,86 gam X c\u1ea7n d\u00f9ng v\u1eeba \u0111\u1ee7 10,08 l\u00edt kh\u00f4ng kh\u00ed (\u0111ktc, 20% O2<\/sub> v\u00e0 80% N2<\/sub> theo th\u1ec3 t\u00edch) thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y g\u1ed3m kh\u00ed v\u00e0 h\u01a1i. D\u1eabn Y qua n\u01b0\u1edbc v\u00f4i trong d\u01b0, sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch gi\u1ea3m m gam. m g<\/strong>\u1ea7n nh<\/strong>\u1ea5t<\/strong> v\u1edbi gi\u00e1 tr\u1ecb<\/p>\n A<\/strong>. 2,75. B.<\/strong> 4,25. C.<\/strong> 2,25 D.<\/strong> 3,75<\/p>\n C\u00e2u 50. <\/strong>Cho m gam h\u1ed7n h\u1ee3p g\u1ed3m hai ancol no, \u0111\u01a1n ch\u1ee9c, k\u1ebf ti\u1ebfp nhau trong d\u00e3y \u0111\u1ed3ng \u0111\u1eb3ng, t\u00e1c d\u1ee5ng v\u1edbi CuO d\u01b0, nung n\u00f3ng, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p X g\u1ed3m kh\u00ed v\u00e0 h\u01a1i c\u00f3 t\u1ec9 kh\u1ed1i h\u01a1i so v\u1edbi H2<\/sub> l\u00e0 13,75. Cho X ph\u1ea3n \u1ee9ng v\u1edbi l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch AgNO3<\/sub> trong NH3<\/sub> \u0111un n\u00f3ng, thu \u0111\u01b0\u1ee3c 64,8 gam Ag. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n A. <\/strong>3,2. B. <\/strong>7,8. C. <\/strong>4,6. D.<\/strong> 11,0.<\/p>\n  <\/p>\n \u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014-H\u1ebeT\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2013<\/p>\n \u0110\u00e1p \u00e1n \u0110\u1ec1 thi minh h\u1ecda THPT Qu\u1ed1c gia M\u00f4n H\u00f3a h\u1ecdc n\u0103m 2015 \u2013 B\u1ed9 gi\u00e1o d\u1ee5c<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n C\u00e2u s<\/strong>\u1ed1<\/td>\n \u0110\u00e1p \u00e1n <\/strong><\/td>\n C\u00e2u s<\/strong>\u1ed1<\/td>\n \u0110\u00e1p \u00e1n <\/strong><\/td>\n C\u00e2u s<\/strong>\u1ed1<\/td>\n \u0110\u00e1p \u00e1n <\/strong><\/td>\n<\/tr>\n 1<\/td>\n A<\/td>\n 18<\/td>\n C<\/td>\n 35<\/td>\n A<\/td>\n<\/tr>\n 2<\/td>\n A<\/td>\n 19<\/td>\n B<\/td>\n 36<\/td>\n B<\/td>\n<\/tr>\n 3<\/td>\n A<\/td>\n 20<\/td>\n B<\/td>\n 37<\/td>\n A<\/td>\n<\/tr>\n 4<\/td>\n A<\/td>\n 21<\/td>\n D<\/td>\n 38<\/td>\n D<\/td>\n<\/tr>\n 5<\/td>\n A<\/td>\n 22<\/td>\n A<\/td>\n 39<\/td>\n B<\/td>\n<\/tr>\n 6<\/td>\n B<\/td>\n 23<\/td>\n C<\/td>\n 40<\/td>\n A<\/td>\n<\/tr>\n 7<\/td>\n D<\/td>\n 24<\/td>\n C<\/td>\n 41<\/td>\n C<\/td>\n<\/tr>\n 8<\/td>\n D<\/td>\n 25<\/td>\n A<\/td>\n 42<\/td>\n B<\/td>\n<\/tr>\n 9<\/td>\n C<\/td>\n 26<\/td>\n C<\/td>\n 43<\/td>\n A<\/td>\n<\/tr>\n 10<\/td>\n B<\/td>\n 27<\/td>\n A<\/td>\n 44<\/td>\n A<\/td>\n<\/tr>\n 11<\/td>\n B<\/td>\n 28<\/td>\n C<\/td>\n 45<\/td>\n B<\/td>\n<\/tr>\n 12<\/td>\n D<\/td>\n 29<\/td>\n A<\/td>\n 46<\/td>\n C<\/td>\n<\/tr>\n 13<\/td>\n A<\/td>\n 30<\/td>\n A<\/td>\n 47<\/td>\n B<\/td>\n<\/tr>\n 14<\/td>\n B<\/td>\n 31<\/td>\n A<\/td>\n 48<\/td>\n B<\/td>\n<\/tr>\n 15<\/td>\n D<\/td>\n 32<\/td>\n A<\/td>\n 49<\/td>\n A<\/td>\n<\/tr>\n 16<\/td>\n D<\/td>\n 33<\/td>\n A<\/td>\n 50<\/td>\n B<\/td>\n<\/tr>\n 17<\/td>\n C<\/td>\n 34<\/td>\n A<\/td>\n <\/td>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":" D\u01b0\u1edbi \u0111\u00e2y l\u00e0 \u0111\u1ec1 thi minh h\u1ecda K\u1ef3 thi th\u1eed THPT qu\u1ed1c gia M\u00f4n H\u00f3a h\u1ecdc ch\u00ednh th\u1ee9c n\u0103m 2015 c\u1ee7a B\u1ed9 gi\u00e1o d\u1ee5c. Ch\u00fac c\u00e1c b\u1ea1n h\u1ecdc sinh \u00f4n t\u1eadp th\u1eadt t\u1ed1t \u0111\u1ec3 chu\u1ea9n b\u1ecb cho k\u1ef3 thi quan tr\u1ecdng n\u00e0y!   Cho bi\u1ebft nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1: H = 1; […]<\/p>\n","protected":false},"author":1,"featured_media":93,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[14,24],"tags":[53,51,52],"yoast_head":"\n