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{"id":1751,"date":"2016-03-19T23:05:29","date_gmt":"2016-03-19T23:05:29","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=1751"},"modified":"2016-03-20T16:05:59","modified_gmt":"2016-03-20T16:05:59","slug":"de-thi-thu-thpt-quoc-gia-mon-hoa-2016-de-so-2","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-hoa-2016-de-so-2\/","title":{"rendered":"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a 2016 – \u0110\u1ec1 s\u1ed1 2"},"content":{"rendered":"
\n

\u0110\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a – \u0111\u1ec1 s\u1ed1 2 n\u0103m 2016, \u0111\u00e2y l\u00e0 \u0111\u1ec1 thi gi\u00fap c\u00e1c em th\u1eed s\u1ee9c v\u00e0 l\u00e0m quen v\u1edbi d\u1ea1ng \u0111\u1ec1 thi s\u1eafp t\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 nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1: <\/p>\n

H = 1; C = 12; N = 14; O = 16; Na = 23; Mg = 24; Al = 27; P = 31; S = 32; Cl = 35,5; Ca = 40; Cr = 52; Fe = 56; Cu = 64; Zn = 65; Br = 80; Ag = 108; Ba = 137; Pb =207.<\/p>\n<\/p>\n

C\u00e2u 1:<\/strong>Cho h\u1ed7n h\u1ee3p kim lo\u1ea1i X g\u1ed3m: Cu, Fe, Mg. L\u1ea5y 10,88 gam X t\u00e1c d\u1ee5ng v\u1edbi clo d\u01b0 thu \u0111\u01b0\u1ee3c 28,275 gam ch\u1ea5t r\u1eafn. N\u1ebfu l\u1ea5y 0,44 mol X t\u00e1c d\u1ee5ng v\u1edbi axit HCl d\u01b0 thu \u0111\u01b0\u1ee3c 5,376 l\u00edt kh\u00ed H<\/p>\n

2<\/dd>\n

(\u0111ktc). Gi\u00e1 tr\u1ecb th\u00e0nh ph\u1ea7n % v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng  c\u1ee7a Fe  trong h\u1ed7n h\u1ee3p Xg\u1ea7n v\u1edbi gi\u00e1 tr\u1ecb n\u00e0o sau \u0111\u00e2y nh\u1ea5t <\/strong>?<\/p>\n

A.<\/strong>58,82%        B.<\/strong>25,73%         C.<\/strong>22,69%        D.<\/strong>22,63<\/p>\n

C\u00e2u 2:<\/strong>Trong s\u00e8 c\u00b8c d\u00c9n xu\u00cat c\u00f1a benzen c\u00e3 c\u00abng th\u00f8c ph\u00a9n t\u00f6 C<\/p>\n

8<\/dd>\n

H<\/p>\n

10<\/dd>\n

O<\/p>\n

2<\/dd>\n

c\u00e3 bao nhi\u00aau \u00ae\u00e5ng ph\u00a9n X v\u1eeba ph\u00b6n \u00f8ng v\u00edi NaOH, v\u01b0\u0300a tho\u00b6 m\u00b7n \u00aei\u00d2u ki\u00d6n theo chu\u00f4\u0309i sau:  X \u2192 (-H<\/p>\n

2<\/dd>\n

O) Y\u2192 (xt) polime<\/p>\n

A.<\/strong>3.            B.<\/strong>2           C.<\/strong>6           D.<\/strong>4<\/p>\n

C\u00e2u 3:<\/strong>\u0110\u1ec3 ch\u1ed1ng \u0103n m\u00f2n cho \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn d\u1ea7u b\u1eb1ng th\u00e9p ch\u00f4n d\u01b0\u1edbi \u0111\u1ea5t, ng\u01b0\u1eddi ta d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec7n ho\u00e1. Trong th\u1ef1c t\u1ebf, ng\u01b0\u1eddi ta d\u00f9ng kim lo\u1ea1i n\u00e0o sau \u0111\u00e2y l\u00e0m \u0111i\u1ec7n c\u1ef1c hi sinh?<\/p>\n

A.<\/strong>Zn.           B.<\/strong>Sn.          C.<\/strong>Cu.           D.<\/strong>Na.<\/p>\n

C\u00e2u 4:<\/strong>Kim lo\u1ea1i n\u00e0o thu\u1ed9c c\u00f9ng nh\u00f3m v\u1edbi s\u1eaft trong b\u1ea3ng h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n c\u00e1c nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc?<\/p>\n

A.<\/strong>k\u1ebdm          B.<\/strong>thi\u1ebfc         C.<\/strong>niken          D.<\/strong>mangan<\/p>\n

C\u00e2u 5:<\/strong>D\u00e3y g\u1ed3m c\u00e1c ch\u1ea5t \u0111\u1ec1u tham gia ph\u1ea3n \u1ee9ng th\u1ee7y ph\u00e2n l\u00e0<\/p>\n

A.<\/strong>Tinh b\u1ed9t, xenluloz\u01a1, saccaroz\u01a1, fructoz\u01a1, glixerol.<\/p>\n

B.<\/strong>Tinh b\u1ed9t,xenluloz\u01a1, saccaroz\u01a1, este, glucoz\u01a1.<\/p>\n

C.<\/strong>Glucoz\u01a1,xenluloz\u01a1, tinh b\u1ed9t, saccaroz\u01a1, fructoz\u01a1.<\/p>\n

D.<\/strong>Tinh b\u1ed9t, xenluloz\u01a1, saccaroz\u01a1, este, ch\u1ea5t b\u00e9o.<\/p>\n

C\u00e2u 6:<\/strong>Amino axit m\u00e0 mu\u1ed1i c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t m\u00ec ch\u00ednh (b\u1ed9t ng\u1ecdt) l\u00e0<\/p>\n

A.<\/strong>alanin.        B.<\/strong>tyrosin.         C.<\/strong>axit glutamic.     D.<\/strong>valin.<\/p>\n

C\u00e2u 7:<\/strong>H\u00f2a tan h\u1ebft 4 gam oxit Fe<\/p>\n

x<\/dd>\n

O<\/p>\n

y<\/dd>\n

c\u1ea7n d\u00f9ng 52,14 ml dung d\u1ecbch HCl 10% ( d= 1,05 g\/ml). \u0110\u1ec3 kh\u1eed h\u00f3a ho\u00e0n to\u00e0n 4 gam oxit n\u00e0y c\u1ea7n \u00edt nh\u1ea5t V l\u00edt kh\u00ed CO (\u0111ktc). Gi\u00e1 tr\u1ecb c\u1ee7a V l\u00e0<\/p>\n

A.<\/strong>1,545.         B.<\/strong>1,68.         C.<\/strong>1,24 .          D.<\/strong>0,056.<\/p>\n

C\u00e2u 8:<\/strong>Bi\u1ebft th\u00e0nh ph\u1ea7n % kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a P trong tinh th\u1ec3 Na<\/p>\n

2<\/dd>\n

HPO<\/p>\n

4<\/dd>\n

.nH<\/p>\n

2<\/dd>\n

O l\u00e0 8,659%. Tinh th\u1ec3 mu\u1ed1i ng\u1eadm  n\u01b0\u1edbc \u0111\u00f3 c\u00f3 s\u1ed1 ph\u00e2n t\u1eed H<\/p>\n

2<\/dd>\n

O l\u00e0<\/p>\n

A.<\/strong>12           B.<\/strong>9           C.<\/strong>11.          D.<\/strong>13<\/p>\n

C\u00e2u 9:<\/strong>\u0110\u1ec3 m\u1ea1 Ni l\u00ean m\u1ed9t v\u1eadt b\u1eb1ng th\u00e9p ng\u01b0\u1eddi ta \u0111i\u1ec7n ph\u00e2n dung d\u1ecbch NiSO<\/p>\n

4<\/dd>\n

v\u1edbi<\/p>\n

A.<\/strong>catot l\u00e0 v\u1eadt c\u1ea7n m\u1ea1 , anot b\u1eb1ng s\u1eaft       B.<\/strong>anot l\u00e0 v\u1eadt c\u1ea7n m\u1ea1 , catot b\u1eb1ng Ni<\/p>\n

C.<\/strong>catot l\u00e0 v\u1eadt c\u1ea7n m\u1ea1 , anot b\u1eb1ng Ni       D.<\/strong>anot l\u00e0 v\u1eadt c\u1ea7n m\u1ea1 , catot b\u1eb1ng s\u1eaft<\/p>\n

C\u00e2u 10:<\/strong>Ho\u00e0 tan h\u1ebft m gam Al<\/p>\n

2<\/dd>\n

(SO<\/p>\n

4<\/dd>\n

)<\/p>\n

3<\/dd>\n

v\u00e0o n\u01b0\u1edbc \u0111\u01b0\u1ee3c dung d\u1ecbch X. Cho 360 ml dung d\u1ecbch NaOH 1M v\u00e0o X, thu \u0111\u01b0\u1ee3c 2a gam k\u1ebft t\u1ee7a. M\u1eb7c kh\u00e1c, n\u1ebfu cho 400 ml dung d\u1ecbch NaOH 1M v\u00e0o X th\u00ec thu \u0111\u01b0\u1ee3c a gam k\u1ebft t\u1ee7a. 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>19,665        B.<\/strong>20,520.         C.<\/strong>18,810.         D.<\/strong>15,390.<\/p>\n

C\u00e2u 11:<\/strong>\u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m gam m\u1ed9t amin b\u1eb1ng kh\u00f4ng kh\u00ed v\u1eeba \u0111\u1ee7. Trong h\u1ed7n h\u1ee3p sau ph\u1ea3n \u1ee9ng ch\u1ec9 c\u00f3 0,4 mol CO<\/p>\n

2<\/dd>\n

, 0,7 mol H<\/p>\n

2<\/dd>\n

O v\u00e0 3,1 mol N<\/p>\n

2<\/dd>\n

. Gi\u1ea3 s\u1eed trong kh\u00f4ng kh\u00ed ch\u1ec9 g\u1ed3m N<\/p>\n

2<\/dd>\n

v\u00e0 O<\/p>\n

2<\/dd>\n

v\u1edbi t\u1ec9 l\u1ec7    th\u00ec gi\u00e1  tr\u1ecb c\u1ee7a mg\u1ea7n v\u1edbi gi\u00e1 tr\u1ecb n\u00e0o sau \u0111\u00e2y nh\u1ea5t <\/strong>?<\/p>\n

A.<\/strong>90,0          B.<\/strong>50,0          C.<\/strong>10,0          D.<\/strong>5,0<\/p>\n

C\u00e2u 12:<\/strong>Cho s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng (m\u1ed7i m\u0169i t\u00ean l\u00e0 m\u1ed9t ph\u1ea3n \u1ee9ng): CH<\/p>\n

4<\/dd>\n

\u2192X<\/strong>\u2192 CH<\/p>\n

3<\/dd>\n

COOH \u2192 (+x)Z<\/strong>. <\/p>\n

 Z<\/strong>kh\u00f4ng l\u00e0m m\u1ea5t m\u00e0u n\u01b0\u1edbc brom. K\u1ebft lu\u1eadnkh\u00f4ng<\/strong>\u0111\u00fang v\u1ec1Z<\/strong>l\u00e0<\/p>\n

A.<\/strong>\u0110\u1ed1t ch\u00e1yZ<\/strong>thu \u0111\u01b0\u1ee3c s\u1ed1 mol CO<\/p>\n

2<\/dd>\n

v\u00e0 s\u1ed1 mol H<\/p>\n

2<\/dd>\n

O b\u1eb1ng nhau.<\/p>\n

B.<\/strong>Z<\/strong>c\u00f3 tham gia ph\u1ea3n \u1ee9ng x\u00e0 ph\u00f2ng h\u00f3a.<\/p>\n

C.<\/strong>Z<\/strong>c\u00f3 tham gia ph\u1ea3n \u1ee9ng tr\u00e1ng b\u1ea1c.    .<\/p>\n

D.<\/strong>Trong ph\u00e2n t\u1eedZ<\/strong>c\u00f3 3 nguy\u00ean t\u1eed cacbon.<\/p>\n

C\u00e2u 13:<\/strong>Ph\u00e1t bi\u1ec3u\u0111\u00fang<\/strong>l\u00e0<\/p>\n

A.<\/strong>Vinyl axetat ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch NaOH sinh ra ancol etylic.<\/p>\n

B.<\/strong>Phe nol ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi dung d\u1ecbch Na<\/p>\n

2<\/dd>\n

CO<\/p>\n

3<\/dd>\n

.<\/p>\n

C.<\/strong>Th\u1ee7y ph\u00e2n benzyl clorua thu \u0111\u01b0\u1ee3c phe nol.<\/p>\n

D.<\/strong>C\u00f3 4 \u0111\u1ed3ng ph\u00e2n amin c\u00f3 v\u00f2ng ben zen \u1ee9ng v\u1edbi c\u00f4ng th\u1ee9c C<\/p>\n

7<\/dd>\n

H<\/p>\n

9<\/dd>\n

N<\/p>\n

C\u00e2u 14:<\/strong>Cho h\u1ed7n h\u1ee3p X g\u1ed3m 0,01 mol HCOOH; 0,02 mol HCHO v\u00e0 0,01 mol HCOOCH<\/p>\n

3<\/dd>\n

t\u00e1c d\u1ee5ng v\u1edbi AgNO<\/p>\n

3<\/dd>\n

\/NH<\/p>\n

3<\/dd>\n

(d\u01b0) thu \u0111\u01b0\u1ee3c m gam Ag. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n

A.<\/strong>8,64.         B.<\/strong>4,32.         C.<\/strong>10,8.         D.<\/strong>12,96.<\/p>\n

C\u00e2u 15:<\/strong>C\u00f3 4 g\u00f3i b\u1ed9t tr\u1eafng: Glucoz\u01a1, tinh b\u1ed9t, xenluloz\u01a1, saccaroz\u01a1. C\u00f3 th\u1ec3 ch\u1ecdn nh\u00f3m thu\u1ed1c th\u1eed n\u00e0o d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c c\u1ea3 4 ch\u1ea5t tr\u00ean:<\/p>\n

A.<\/strong>H<\/p>\n

2<\/dd>\n

O, dd AgNO<\/p>\n

3<\/dd>\n

\/NH<\/p>\n

3<\/dd>\n

, dd I<\/p>\n

2<\/dd>\n

           B.<\/strong>H<\/p>\n

2<\/dd>\n

O, dd AgNO<\/p>\n

3<\/dd>\n

\/NH<\/p>\n

3<\/dd>\n

, dd HCl<\/p>\n

C.<\/strong>H<\/p>\n

2<\/dd>\n

O, dd AgNO<\/p>\n

3<\/dd>\n

\/NH<\/p>\n

3<\/dd>\n

, dd NaOH       D.<\/strong>H<\/p>\n

2<\/dd>\n

O, O<\/p>\n

2<\/dd>\n

(\u0111\u1ec3 \u0111\u1ed1t ch\u00e1y),  dd AgNO<\/p>\n

3<\/dd>\n

\/NH<\/p>\n

3<\/dd>\n<\/p>\n

C\u00e2u 16:<\/strong>Cho 0,1 mol tristearin (C<\/p>\n

17<\/dd>\n

H<\/p>\n

35<\/dd>\n

COO)<\/p>\n

3<\/dd>\n

C<\/p>\n

3<\/dd>\n

H<\/p>\n

5<\/dd>\n

) t\u00e1c d\u1ee5ng ho\u00e0n to\u00e0n v\u1edbi dung d\u1ecbch NaOH d\u01b0, \u0111un n\u00f3ng, thu \u0111\u01b0\u1ee3c m gam mu\u00f4\u0301i. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n

A.<\/strong>45,9.         B.<\/strong>92,8.         C.<\/strong>91,8.         D.<\/strong>9,2.<\/p>\n

C\u00e2u 17:<\/strong>Khi thu\u0309y ph\u00e2n hoa\u0300n toa\u0300n 65 gam m\u00f4\u0323t pep tit X thu \u0111\u01b0\u01a1\u0323c 22,25 gam alanin va\u0300 56,25 gam glyxin. X  la\u0300<\/p>\n

A.<\/strong>tetrapeptit.       B.<\/strong>\u0111ipeptit.        C.<\/strong>tripeptit.       D.<\/strong>pentapetit.<\/p>\n

C\u00e2u 18:<\/strong>H\u00f2a tan 7,2 gam h\u1ed7n h\u1ee3p hai mu\u1ed1i sunfat c\u1ee7a kim lo\u1ea1i h\u00f3a tr\u1ecb II v\u00e0 III b\u1eb1ng dung d\u1ecbch Pb(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

2<\/dd>\n

thu \u0111\u01b0\u1ee3c 15,15 gam k\u1ebft t\u1ee7a. Kh\u1ed1i l\u01b0\u1ee3ng mu\u1ed1i thu \u0111\u01b0\u1ee3c trong dung d\u1ecbch l\u00e0:<\/p>\n

A.<\/strong>8,2 gam        B.<\/strong>8,6 gam        C.<\/strong>6,8 gam        D.<\/strong>7,8 gam<\/p>\n

C\u00e2u 19:<\/strong>Hi\u0111rat h\u00f3a h\u1ed7n h\u1ee3p etilen v\u00e0 propilen c\u00f3 t\u1ec9 l\u1ec7 mol 1:3 khi c\u00f3 m\u1eb7t axit H<\/p>\n

2<\/dd>\n

SO<\/p>\n

4<\/dd>\n

lo\u00e3ng thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p ancol X. L\u1ea5y m gam h\u1ed7n h\u1ee3p ancol X cho t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi Na th\u1ea5y bay ra 448 ml kh\u00ed (\u0111ktc). Oxi h\u00f3a m gam h\u1ed7n h\u1ee3p ancol X b\u1eb1ng O<\/p>\n

2<\/dd>\n

kh\u00f4ng kh\u00ed \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 c\u00f3 Cu x\u00fac t\u00e1c \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p s\u1ea3n ph\u1ea9m Y. Cho Y t\u00e1c d\u1ee5ng v\u1edbi AgNO<\/p>\n

3<\/dd>\n

trong NH<\/p>\n

3<\/dd>\n

d\u01b0 thu \u0111\u01b0\u1ee3c 2,808 gam b\u1ea1c kim lo\u1ea1i. Ph\u1ea7n tr\u0103m s\u1ed1 mol ancol propan-1-ol trong h\u1ed7n h\u1ee3p l\u00e0:<\/p>\n

A.<\/strong>75%         B.<\/strong>25%          C.<\/strong>12,5%        D.<\/strong>7,5%<\/p>\n

C\u00e2u 20:<\/strong>Etyl fomat l\u00e0 ch\u1ea5t m\u00f9i th\u01a1m, kh\u00f4ng \u0111\u1ed9c, \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m ch\u1ea5t t\u1ea1o h\u01b0\u01a1ng trong c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, c\u00f3 ph\u00e2n t\u1eed kh\u1ed1i l\u00e0:<\/p>\n

A.<\/strong>88           B.<\/strong>74           C.<\/strong>60           D.<\/strong>68<\/p>\n

C\u00e2u 21:<\/strong>\u0110un este X (C<\/p>\n

6<\/dd>\n

H<\/p>\n

12<\/dd>\n

O<\/p>\n

2<\/dd>\n

) v\u1edbi dung d\u1ecbch NaOH ta \u0111\u01b0\u1ee3c 1 ancol Y kh\u00f4ng b\u1ecb oxi ho\u00e1 b\u1edfi CuO. X c\u00f3 t\u00ean l\u00e0:<\/p>\n

A.<\/strong>tert-butyl axetat.    B.<\/strong>isopropyl axetat   C.<\/strong>butyl axetat      D.<\/strong>isopropyl propionat<\/p>\n

C\u00e2u 22:<\/strong>N\u01b0\u1edbc c\u1ee9ng la\u0300 n\u01b0\u01a1\u0301c c\u00f3 ch\u1ee9a nhi\u1ec1u c\u00e1c ion n\u00e0o sau \u0111\u00e2y ?<\/p>\n

A.<\/strong>Mg<\/p>\n

2+<\/dd>\n

;  Ca<\/p>\n

2+<\/dd>\n

      B.<\/strong>Cu<\/p>\n

2+<\/dd>\n

;   K<\/p>\n

+<\/dd>\n

      C.<\/strong>Fe<\/p>\n

2+<\/dd>\n

; Na<\/p>\n

+<\/dd>\n

       D.<\/strong>Fe<\/p>\n

2+<\/dd>\n

;  K<\/p>\n

+<\/dd>\n<\/p>\n

C\u00e2u 23:<\/strong>Cho 2,13 gam P<\/p>\n

2<\/dd>\n

O<\/p>\n

5<\/dd>\n

t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi V ml dung d\u1ecbch NaOH 1M, sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c dung d\u1ecbch X ch\u1ec9 ch\u1ee9a 4,48 gam mu\u1ed1i. Gia\u0301 tri\u0323 cu\u0309a V la\u0300<\/p>\n

A.<\/strong>80 ml.         B.<\/strong>90 ml.         C.<\/strong>70 ml.         D.<\/strong>75 ml.<\/p>\n

C\u00e2u 24:<\/strong>Cho ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc: Fe<\/p>\n

3<\/dd>\n

O<\/p>\n

4<\/dd>\n

+ HNO<\/p>\n

3<\/dd>\n

\u2192 Fe(NO<\/p>\n

3<\/dd>\n

)<\/p>\n

3<\/dd>\n

+ N<\/p>\n

a<\/dd>\n

O<\/p>\n

b<\/dd>\n

+ H<\/p>\n

2<\/dd>\n

O  : Sau khi c\u00e2n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc tr\u00ean v\u1edbi c\u00e1c h\u1ec7 s\u1ed1 l\u00e0 c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1i gi\u1ea3n th\u00ec t\u1ed5ng h\u1ec7 s\u1ed1 c\u1ee7a H<\/p>\n

2<\/dd>\n

O v\u00e0 HNO<\/p>\n

3<\/dd>\n

l\u00e0<\/p>\n

A.<\/strong>66a – 18b.       B.<\/strong>66a – 48b.       C.<\/strong>45a – 18b.       D.<\/strong>69a – 27b.<\/p>\n

C\u00e2u 25:<\/strong>Cho c\u00e2n b\u1eb1ng ho\u00e1 h\u1ecdc sau: 2NH<\/p>\n

3<\/dd>\n

(k)  N<\/p>\n

2<\/dd>\n

(k)  +  3H<\/p>\n

2<\/dd>\n

(k). Khi t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a h\u1ec7 th\u00ec t\u1ec9 kh\u1ed1i c\u1ee7a h\u1ed7n h\u1ee3p so v\u1edbi hi\u0111ro gi\u1ea3m. Nh\u1eadn x\u00e9t n\u00e0o sau \u0111\u00e2y l\u00e0\u0111\u00fang<\/strong>?<\/p>\n

A.<\/strong>Khi t\u0103ng \u00e1p su\u1ea5t c\u1ee7a h\u1ec7, c\u00e2n b\u1eb1ng chuy\u1ec3n d\u1ecbch theo chi\u1ec1u thu\u1eadn.<\/p>\n

B.<\/strong>Khi t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a h\u1ec7, c\u00e2n b\u1eb1ng chuy\u1ec3n d\u1ecbch theo chi\u1ec1u thu\u1eadn.<\/p>\n

C.<\/strong>Ph\u1ea3n \u1ee9ng thu\u1eadn l\u00e0 ph\u1ea3n \u1ee9ng to\u1ea3 nhi\u1ec7t.<\/p>\n

D.<\/strong>Khi t\u0103ng n\u1ed3ng \u0111\u1ed9 c\u1ee7a NH<\/p>\n

3<\/dd>\n

, c\u00e2n b\u1eb1ng chuy\u1ec3n d\u1ecbch theo chi\u1ec1u ngh\u1ecbch.<\/p>\n

<\/p>\n

\u0110\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a 2016 – \u0110\u1ec1 s\u1ed1 2<\/strong><\/span><\/p>\n

<\/p>\n<\/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\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a – \u0111\u1ec1 s\u1ed1 2 n\u0103m 2016, \u0111\u00e2y l\u00e0 \u0111\u1ec1 thi gi\u00fap c\u00e1c em th\u1eed s\u1ee9c v\u00e0 l\u00e0m quen v\u1edbi d\u1ea1ng \u0111\u1ec1 thi s\u1eafp t\u1edbi. Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a Cho bi\u1ebft nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1:  H = […]<\/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\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a 2016 - \u0110\u1ec1 s\u1ed1 2<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-hoa-2016-de-so-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a 2016 - \u0110\u1ec1 s\u1ed1 2\" \/>\n<meta property=\"og:description\" content=\"\u0110\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a – \u0111\u1ec1 s\u1ed1 2 n\u0103m 2016, \u0111\u00e2y l\u00e0 \u0111\u1ec1 thi gi\u00fap c\u00e1c em th\u1eed s\u1ee9c v\u00e0 l\u00e0m quen v\u1edbi d\u1ea1ng \u0111\u1ec1 thi s\u1eafp t\u1edbi. 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