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{"id":8987,"date":"2017-02-21T13:57:32","date_gmt":"2017-02-21T13:57:32","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=8987"},"modified":"2017-02-21T13:57:32","modified_gmt":"2017-02-21T13:57:32","slug":"meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/","title":{"rendered":"M\u1eb9o “\u0111\u00e1nh b\u1eeba” tr\u1eafc nghi\u1ec7m m\u00f4n H\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m cao"},"content":{"rendered":"

\u0110\u00e1nh b\u1eeba \u0111\u01b0\u01a1ng nhi\u00ean kh\u00f4ng bao gi\u1edd l\u00e0 \u0111\u00fang 100%. Nh\u01b0ng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p n\u00f3 v\u00f4 c\u00f9ng h\u1eefu \u00edch. X\u00e1c su\u1ea5t \u0111\u1ec3 c\u00f3 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang th\u01b0\u1eddng kho\u1ea3ng 70-80%.
\n\u0110\u00e2y l\u00e0 m\u1ed9t s\u1ed1 kinh nghi\u1ec7m c\u1ee7a Ad v\u00e0 tham kh\u1ea3o \u1edf m\u1ed9t s\u1ed1 n\u01a1i kh\u00e1c.
\n\u00a01. NH\u1eacN BI\u1ebeT L\u1ecc M\u1ea4T NH\u00c3N (\u0110\u1ed1i v\u1edbi b\u00e0i nh\u1eadn bi\u1ebft nhi\u1ec1u h\u01a1n 2 ch\u1ea5t)<\/strong>
\n+ N\u1ebfu to\u00e0n ch\u1ea5t v\u00f4 c\u01a1 => ch\u1ecdn dung d\u1ecbch ki\u1ec1m. N\u1ebfu v\u1eeba xu\u1ea5t hi\u1ec7n ki\u1ec1m \u201cb\u1eadc 1\u201d (NaOH, KOH) v\u1eeba xu\u1ea5t hi\u1ec7n ki\u1ec1m \u201cb\u1eadc 2\u201d (Ba(OH)2, Ca(OH)2 th\u00ec ch\u1ecdn ki\u1ec1m b\u1eadc 2
\n+ N\u1ebfu l\u00e0 ch\u1ea5t h\u1eefu c\u01a1 th\u00ec ch\u1ecdn Cu(OH)2
\n=> D\u00f9 g\u00ec \u0111i n\u1eefa th\u00ec hi\u1ec3u c\u01a1 ch\u1ebf th\u00ec v\u1eabn l\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t! (c\u00e2u n\u00e0y d\u00e0nh cho nh\u1eefng em \u201ckh\u00f4ng bi\u1ebft g\u00ec\u201d v\u1ec1 H\u00f3a th\u00f4i nh\u00e9!
\n2. T\u00ccM CTPT:<\/strong>
\nN\u1ebfu kh\u00f4ng t\u00ednh ra \u0111\u01b0\u1ee3c \u0111\u00e1p s\u1ed1 th\u00ec l\u00e0m nh\u01b0 c\u00e1ch sau: l\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ec1 cho, chia cho M c\u1ee7a c\u00e1c \u0111\u00e1p \u00e1n s\u1ebd ra \u0111\u01b0\u1ee3c s\u1ed1 mol. S\u1ed1 mol n\u00e0o ra \u0111\u1eb9p nh\u1ea5t th\u00ec \u0111\u00f3 l\u00e0 \u0111\u00e1p \u00e1n (c\u00e1ch n\u00e0y c\u00f3 r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn th\u01b0\u1eddng \u00e1p d\u1ee5ng nh\u1ec9
\n<\/span>
\nC\u00e1c s\u1ed1 kh\u00e1c th\u01b0\u1eddng l\u00e0 ra s\u1ed1 r\u1ea5t l\u1ebb (\u0111\u00e1p \u00e1n sai).
\nV\u00ed d\u1ee5: Cho 7,4 gam m\u1ed9t este. . .
\nEste c\u1ea7n t\u00ecm l\u00e0:
\nA. C2H4O2.
\nB. C3H6O2.
\nC. C4H8O2.
\nD. C5H10O2.
\nKhi l\u1ea5y 7,4 chia cho gi\u00e1 tr\u1ecb M c\u1ee7a c\u00e1c \u0111\u00e1p \u00e1n, c\u00e1c em th\u1ea5y ch\u1ec9 c\u00f3 \u0111\u00e1p \u00e1n B l\u00e0 ra tr\u00f2n tr\u1ecba nh\u1ea5t. \u0110\u00f3 c\u00f3 kh\u1ea3 n\u0103ng l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang.
\n3. D\u1eef ki\u1ec7n n\u00e0o xu\u1ea5t hi\u1ec7n nhi\u1ec1u l\u1ea7n trong c\u00e1c \u0111\u00e1p \u00e1n th\u00ec d\u1eef ki\u1ec7n \u0111\u00f3 l\u00e0 d\u1eef ki\u1ec7n \u0111\u00fang, \u0111\u00e2y l\u00e0 quy lu\u1eadt R\u1ea4T QUAN TR\u1eccNG<\/strong>
\nV\u00ed d\u1ee5 1:
\nA. Zn(NO3)2 v\u00e0 Fe(NO3)2
\nB. Zn(NO3)2 v\u00e0 AgNO3
\nC. Fe(NO3)2 v\u00e0 AgNO3
\nD. Fe(NO3)3 v\u00e0 Zn(NO3)2
\nD\u1ec5 th\u1ea5y Zn(NO3)2 xu\u1ea5t hi\u1ec7n 3 l\u1ea7n \u1edf c\u00e1c \u0111\u00e1p \u00e1n A, B v\u00e0 D, v\u1eady 1 trong 3 \u0111\u00e1p \u00e1n n\u00e0y l\u00e0 \u0111\u00fang.
\n\u00c1p d\u1ee5ng c\u00f9ng v\u1edbi b\u00ed k\u00edp s\u1ed1 2, \u0111\u00e1p \u00e1n C b\u1ecb lo\u1ea1i s\u1ebd c\u00f3 1 ph\u1ea7n \u0111\u00fang, v\u1eady ph\u1ea7n \u0111\u00fang \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 Fe(NO3)2 ho\u1eb7c AgNO3. T\u1eeb \u0111\u00e2y suy ra \u0111\u00e1p \u00e1n A ho\u1eb7c B \u0111\u00fang (v\u00ec sao th\u00ec d\u1ec5 hi\u1ec3u r\u1ed3i \u0111\u00fang ko?)
\nC\u01a1 h\u1ed9i ch\u1ecdn l\u1ef1a l\u00fac n\u00e0y l\u00e0 50:50, nh\u01b0ng k sao, v\u1eabn t\u1ed1t h\u01a1n l\u00e0 1:3 \u0111\u1ea5y nh\u1ec9.
\nV\u00ed d\u1ee5 2:
\nA. Al, Fe, Cr
\nB. Mg, Zn, Cu
\nC. Ba, Ag, Au
\nD. Fe, Cu, Ag
\nG\u1eb7p c\u00e2u n\u00e0y m\u00e0 kh\u00f4ng t\u00ednh \u0111\u01b0\u1ee3c th\u00ec \u0111\u1ebfm s\u1ed1 l\u1ea7n xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c d\u1eef ki\u1ec7n ra nh\u00e9, \u1edf \u0111\u00e2y c\u00f3 th\u1ec3 th\u1ea5y: Al, Zn, Au, Ba, Al xu\u1ea5t hi\u1ec7n 1 l\u1ea7n trong 4 \u0111\u00e1p \u00e1n. Nh\u01b0ng Fe, Cu, Ag th\u00ec xu\u1ea5t hi\u1ec7n nh\u1eefng 2 l\u1ea7n.
\nV\u1eady \u0111\u00e1p \u00e1n D. Fe, Cu, Ag l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang.
\nV\u00ed d\u1ee5 3: 4 \u0111\u00e1p \u00e1n c\u1ee7a m\u1ed9t c\u00e2u h\u1ecfi l\u00e0:
\nA. NO v\u00e0 Mg.
\nB. N2O v\u00e0 Al.
\nC. N2O v\u00e0 Fe.
\nD. NO2 v\u00e0 Al.
\n=> Nh\u00ecn v\u00e0o 4 \u0111\u00e1p \u00e1n tr\u00ean th\u1ea5y N2O v\u00e0 Al xu\u1ea5t hi\u1ec7n 2 l\u1ea7n. N\u00f3 n\u1eb1m \u1edf \u0111\u00e1p \u00e1n B. Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n n\u00e0y c\u00f3 x\u00e1c su\u1ea5t \u0111\u00fang cao nh\u1ea5t.
\n4. TRONG 1 C\u00c2U TH\u01af\u1edcNG C\u00d3 3 \u0110\u00c1P \u00c1N G\u1ea6N GI\u1ed0NG NHAU, 1 TRONG 3 CH\u1eaeC CH\u1eaeN L\u00c0 \u0110\u00c1P \u00c1N \u0110\u00daNG, C\u00d3 TH\u1ec2 LO\u1ea0I NGAY \u0110\u00c1P \u00c1N C\u00d2N L\u1ea0I.<\/span><\/strong>
\nV\u00ed d\u1ee5 : A. Chu k\u1ef3 4, nh\u00f3m IIA
\nB. Chu k\u1ef3 4, nh\u00f3m VIIIB
\nC. Chu k\u1ef3 3, nh\u00f3m VIB
\nD. Chu k\u1ef3 4, nh\u00f3m VIIIA
\n\u1ede \u0111\u00e2y th\u1ea5y ngay \u0111\u00e1p \u00e1n C kh\u00e1c h\u1eb3n v\u1edbi c\u00e1c \u0111\u00e1p \u00e1n c\u00f2n l\u1ea1i (c\u00f3 ch\u1eef Chu k\u1ef3 3), n\u00f3 s\u1ebd l\u00e0 \u0111\u00e1p \u00e1n sai.
\nC\u01a1 s\u1edf: \u0111\u1ec3 th\u00ed sinh kh\u00f4ng th\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c ngay 1 \u0111\u00e1p \u00e1n ch\u1ec9 v\u1edbi vi\u1ec7c t\u00ednh 1 d\u1eef ki\u1ec7n, xung quanh \u0111\u00e1p \u00e1n \u0111\u00fang s\u1ebd c\u00f3 1 v\u00e0i \u0111\u00e1p \u00e1n gi\u1ed1ng n\u00f3. V\u00e0 \u0111\u00e1p \u00e1n kh\u00f4ng \u0111\u01b0\u1ee3c “ng\u1ee5y trang” ch\u1eafc ch\u1eafn l\u00e0 \u0111\u00e1p \u00e1n sai.
\n5. \u0110\u00c1P \u00c1N LO\u1ea0I \u0110\u01af\u1ee2C L\u1eacP T\u1ee8C S\u1ebc TH\u01af\u1edcNG C\u00d3 1 PH\u1ea6N \u0110\u00daNG<\/span><\/strong>
\nV\u1eabn v\u1edbi v\u00ed d\u1ee5 tr\u00ean, \u0111\u00e1p \u00e1n C b\u1ecb lo\u1ea1i mang ph\u1ea7n sai l\u00e0 “chu k\u1ef3 3”, v\u1eady th\u00ec ph\u1ea7n “nh\u00f3m VIB” c\u1ee7a n\u00f3 s\u1ebd l\u00e0 ph\u1ea7n \u0111\u00fang. V\u00ec th\u1ebf c\u00f3 th\u1ec3 khoanh ngay \u0111\u00e1p \u00e1n B. v\u00ec n\u00f3 c\u00f3 ph\u1ea7n cu\u1ed1i kh\u00e1 gi\u1ed1ng, v\u1edbi ch\u1eef… B.
\nM\u1ed9t v\u00ed d\u1ee5 kh\u00e1c:
\nA. 4,9 v\u00e0 glixerol
\nB. 4,9 v\u00e0 propan-1,3-\u0111iol
\nC. 9,8 v\u00e0 propan-1,2-\u0111iol
\nD. 4,9 v\u00e0 propan-1,2-\u0111iol
\nLo\u1ea1i ngay \u0111\u00e1p \u00e1n C v\u00ec c\u00f3 ph\u1ea7n “9,8” c\u00f3 v\u1ebb “khang kh\u00e1c”, \u0111i c\u00f9ng v\u1edbi n\u00f3 l\u00e0 propan-1,2-\u0111iol, v\u1eady d\u1eef ki\u1ec7n \u0111\u00fang l\u00e0 propan-1,2-\u0111iol
\nT\u1eeb \u0111\u00e2y suy ra D l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang
\n6. 2 \u0110\u00c1P \u00c1N N\u00c0O G\u1ea6N GI\u1ed0NG (NA N\u00c1) NHAU, 1 TRONG 2 TH\u01af\u1edcNG \u0110\u00daNG<\/strong>
\nA. m = 2a – V\/22,4
\nB. m = 2a – V\/11,2
\nC. m = 2a – V\/5,6
\nD. m = 2a V\/5,6
\nC ho\u1eb7c D s\u1ebd l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang v\u00ec kh\u00e1 gi\u1ed1ng nhau
\nLo\u1ea1i D v\u00ec 3 \u0111\u00e1p \u00e1n c\u00f2n l\u1ea1i \u0111\u1ec1u xu\u1ea5t hi\u1ec7n d\u1ea5u c\u00f2n 3 \u0111\u00e1p \u00e1n c\u00f2n l\u1ea1i \u0111\u1ec1u xu\u1ea5t hi\u1ec7n d\u1ea5u –
\nV\u1eady >> Ch\u1ecdn C
\n7. N\u1ebfu th\u1ea5y 2-3 \u0111\u00e1p \u00e1n c\u00f3 li\u00ean quan m\u1eadt thi\u1ebft t\u1edbi nhau nh\u01b0 “g\u1ea5p \u0111\u00f4i nhau”, “h\u01a1n k\u00e9m nhau 10 l\u1ea7n”, th\u00ec 1 trong s\u1ed1 ch\u00fang s\u1ebd l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang.<\/strong>
\nVD : A. 15 B. 20 C. 13,5 D. 30
\nD\u1ec5 th\u1ea5y 30 g\u1ea5p \u0111\u00f4i 15, v\u1eady 1 trong 2 s\u1ebd l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang.
\n8. N\u1ebeU C\u00c1C \u0110\u00c1P \u00c1N XU\u1ea4T HI\u1ec6N %, NH\u1eeeNG \u0110\u00c1P \u00c1N N\u00c0O C\u1ed8NG V\u1edaI NHAU B\u1eb0NG 100% TH\u01af\u1edcNG L\u00c0 \u0110\u00c1P \u00c1N \u0110\u00daNG<\/strong>
\nVD: A. 40% B.60% C. 27,27% D.50%
\nD\u1ec5 th\u1ea5y 40% 60% = 100%, v\u1eady A ho\u1eb7c B l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang.
\n9. V\u1edaI NH\u1eeeNG C\u00c2U H\u1eceI D\u1ea0NG T\u00cdNH pH, H\u00c3Y CH\u1eccN NH\u1eeeNG \u0110\u00c1P \u00c1N MANG 1 TRONG C\u00c1C GI\u00c1 TR\u1eca SAU:<\/strong>
\n1, 2, 12, 13
\n10. N\u1ebfu b\u1eaft bu\u1ed9c ph\u1ea3i khoanh b\u1eeba m\u00e0 kh\u00f4ng th\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c s\u1ef1 l\u1ef1a ch\u1ecdn n\u00e0o \u0111\u1ec3 lo\u1ea1i tr\u1eeb, h\u00e3y ch\u1ecdn c\u00e1c \u0111\u00e1p \u00e1n “kh\u00f4ng ph\u1ea3i l\u1edbn nh\u1ea5t m\u00e0 c\u0169ng kh\u00f4ng ph\u1ea3i nh\u1ecf nh\u1ea5t”<\/strong> (v\u00ec m\u00ecnh th\u1ea5y t\u1ec9 l\u1ec7 tr\u00fang c\u00e1c \u0111\u00e1p \u00e1n n\u00e0y th\u01b0\u1eddng cao h\u01a1n).
\n11. C\u00e1c c\u00e2u h\u1ecfi l\u00fd thuy\u1ebft:<\/strong>
\n– C\u00e1c \u0111\u00e1p \u00e1n g\u1ea7n nh\u01b0 gi\u1ed1ng nhau ho\u00e0n to\u00e0n, 1 trong s\u1ed1 ch\u00fang th\u01b0\u1eddng l\u00e0 \u0111\u00fang.
\n– C\u00e1c \u0111\u00e1p \u00e1n c\u00f3 ngh\u0129a \u0111\u1ed1i l\u1eadp nhau (v\u00ed d\u1ee5 nh\u01b0 m\u1ed9t c\u00e1i kh\u1eb3ng \u0111\u1ecbnh c\u00f3, m\u1ed9t c\u00e1i kh\u1eb3ng \u0111\u1ecbnh kh\u00f4ng) th\u00ec m\u1ed9t trong 2 th\u01b0\u1eddng l\u00e0 \u0111\u00fang
\n– \u0110\u00e1p \u00e1n c\u00f3 nh\u1eefng t\u1eeb “lu\u00f4n lu\u00f4n”, “duy nh\u1ea5t”, “ho\u00e0n to\u00e0n kh\u00f4ng”, “ch\u1ec9 c\u00f3…”, “ch\u1eafc ch\u1eafn” th\u01b0\u1eddng sai.
\n– \u0110\u00e1p \u00e1n mang c\u00e1c c\u1ee5m t\u1eeb “c\u00f3 th\u1ec3”, “t\u00f9y tr\u01b0\u1eddng h\u1ee3p”, “ho\u1eb7c”, “c\u00f3 l\u1ebd”, “\u0111\u00f4i khi” th\u01b0\u1eddng \u0111\u00fang
\n– C\u00e1c c\u00e2u d\u00e0i v\u00e0 di\u1ec5n \u0111\u1ea1t t\u1ec9 m\u1ec9 h\u01a1n h\u1eb3n nh\u1eefng c\u00e2u c\u00f2n l\u1ea1i th\u01b0\u1eddng \u0111\u00fang.
\n12. C\u00c2U H\u1eceI C\u00d3 LI\u00caN QUAN \u0110\u1ebeN KIM LO\u1ea0I:<\/strong>
\n\u0110\u00e1p \u00e1n n\u00e0o c\u00f3 ch\u1eef \u201celectron t\u1ef1 do\u201d th\u00ec qu\u00fdnh dz\u00f4.
\n13. \u0110\u1ed2NG PH\u00c2N ESTE:<\/strong>
\nC2H4O2 (M=60) –> 1 \u0111f
\nC3H6O2 (M=74) –> 2 \u0111f
\nC4H8O2 (M=88) –> 4 \u0111f
\n14. AMIN TAN TRONG N\u01af\u1edaC L\u00c0M QU\u1ef2 T\u00cdM H\u00d3A XANH:<\/strong>
\nC\u00e1i n\u00e0o c\u00f3 ch\u1eef \u201cphenyl\u201d l\u00e0 kh\u00f4ng \u0111\u1ed5i m\u00e0u g\u00ec h\u1ebft. V\u00e0 n\u00f3 c\u0169ng l\u00e0 amin y\u1ebfu nh\u1ea5t trong d\u00e3y.
\n15. NH\u1eeeNG CH\u1ea4T C\u00d3 KH\u1ea2 N\u0102NG TR\u00c1NG B\u1ea0C:<\/strong>
\nan\u0111ehit, glucozo, fructozo, axit HCOOH v\u00e0 c\u00e1c este c\u00f3 ch\u1eef H \u0111\u1ea7u ti\u00ean.
\n16. KIM LO\u1ea0I TAN \u0110\u01af\u1ee2C TRONG N\u01af\u1edaC: Li, Na, K, Ca, Ba.<\/strong>
\n17. NH\u1eeeNG CH\u1ea4T L\u01af\u1ee0NG T\u00cdNH:<\/strong>
\n+ ion HCO3-
\n+ Oxit v\u00e0 hi\u0111roxit c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 Al, Zn, Cr (ch\u00fa \u00fd mu\u1ed1i v\u00e0 nguy\u00ean t\u1ed1 kim lo\u1ea1i kh\u00f4ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u01b0\u1ee1ng t\u00ednh nha).
\n18. KIM LO\u1ea0I KH\u00d4NG TAN TRONG HNO3 V\u00c0 H2SO4 \u0110\u1eb6C NGU\u1ed8I: Al, Fe, Cr<\/strong>
\n19. CH\u1ea4T C\u00d3 TH\u1ec2 THAM GIA PH\u1ea2N \u1ee8NG TR\u00d9NG H\u1ee2P: c\u00f3 n\u1ed1i \u0111\u00f4i.<\/strong>
\n20. CH\u1ea4T C\u00d3 TH\u1ec2 THAM GIA PH\u1ea2N \u1ee8NG TR\u00d9NG NG\u01afNG: c\u00f3 nh\u00f3m ch\u1ee9c -COOH (v\u00e0 1 nh\u00f3m ch\u1ee9c -OH ho\u1eb7c -NH2)<\/strong>
\n21. AXIT B\u00c9O:<\/strong> axit panmitic, axit stearic v\u00e0 axit oleic. (\u0110\u1ec1u l\u00e0 C15 ho\u1eb7c C17 v\u00e0 1 nh\u00f3m -COOH).
\n22. QU\u1eb6NG S\u1ea2N XU\u1ea4T Al: Boxit<\/strong>
\n23. QU\u1eb6NG GI\u00c0U S\u1eaeT NH\u1ea4T:<\/strong> Manhetit (Fe3O4). Ch\u00fa \u00fd coi ch\u1eebng nh\u1ea7m v\u1edbi qu\u1eb7ng Hemantit. Th\u1ea5y cha n\u00e0o gi\u00e0u s\u1eaft th\u00ec ki\u1ebfm ch\u1eef M qu\u00fdnh dz\u00f4
\n<\/span>24. KIM LO\u1ea0I CH\u1ec8 C\u00d3 TH\u1ec2 \u0110I\u1ec0U CH\u1ebe B\u1eb0NG \u0110I\u1ec6N PH\u00c2N N\u00d3NG CH\u1ea2Y:<\/strong>
\nK, Na, Ca, Mg, Al (Al \u0111i\u1ec1u \u0111i\u1ec1u ch\u1ebf t\u1eeb qu\u1eb7ng boxit – t\u1ee9c oxit c\u1ee7a Al, c\u00f2n 4 nguy\u00ean t\u1ed1 kia \u0111i\u1ec1u ch\u1ebf t\u1eeb mu\u1ed1i clorua)
\n25. T\u00c1CH HO\u1eb6C L\u00c0M S\u1ea0CH 1 CH\u1ea4T TRONG H\u1ed6N H\u1ee2P NHI\u1ec0U CH\u1ea4T:<\/strong>
\nC\u1ea7n ch\u1ea5t n\u00e0o cho ngay ch\u1ea5t \u0111\u00f3 v\u00e0o.
\nVD1: \u0110\u1ec3 t\u00e1ch l\u1ea5y Ag ra kh\u1ecfi h\u1ed7n h\u1ee3p g\u1ed3m Fe, Cu, Ag ta d\u00f9ng l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch AgNO3 (c\u1ea7n Ag ch\u1ecdn AgNO3).
\nVD2: L\u00e0m s\u1ea1ch dung d\u1ecbch Fe(NO3)2 c\u00f3 l\u1eabn dung d\u1ecbch CuCl2 v\u00e0 AgNO3 –> Cho Fe v\u00e0o (C\u1ea7n Fe(NO3)2 cho Fe v\u00e0o)…
\nNgo\u00e0i ra c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 \u201cm\u1eb9o v\u1eb7t\u201d kh\u00e1c nh\u01b0 nh\u1eefng \u0111\u00e1p s\u1ed1 n\u00e0o quen thu\u1ed9c th\u00ec th\u01b0\u1eddng l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang (nh\u01b0 C2H5OH, CH3COOH, CH3COOC2H5\u2026)
\nNh\u1eefng m\u1eb9o n\u00e0y m\u1ed7i ng\u01b0\u1eddi m\u1ed7i kh\u00e1c, c\u00f2n t\u00f9y thu\u1ed9c v\u00e0o kinh nghi\u1ec7m c\u1ee7a t\u1eebng ng\u01b0\u1eddi grin emoticon
\nNh\u1eefng b\u00ed quy\u1ebft n\u00e0y c\u00f3 th\u1ec3 gi\u00fap \u0111\u1ee1 c\u00e1c em nhi\u1ec1u trong c\u00e1c k\u00ec thi. V\u00ec v\u1eady n\u00ean bi\u1ebft m\u1ed9t ch\u00fat \u0111\u1ec3 \u201cph\u00f2ng th\u00e2n\u201d. Nh\u1eefng \u201cchi\u00eau\u201d n\u00e0y ch\u1ec9 d\u00f9ng cho nh\u1eefng h\u1ecdc sinh trung b\u00ecnh kh\u00e1. Nh\u1eefng em c\u00f3 ki\u1ebfn th\u1ee9c v\u1eefng v\u00e0ng kh\u00f4ng c\u1ea7n kinh nghi\u1ec7m n\u00e0y cho k\u00ec thi n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c, nh\u01b0ng m\u1ed9t s\u1ed1 m\u1eb9o c\u00f3 th\u1ec3 v\u1eabn s\u1ebd c\u00f3 t\u00e1c d\u1ee5ng cho b\u1eadc h\u1ecdc cao h\u01a1n, n\u1ebfu \u0111\u00f3 v\u1eabn l\u00e0 m\u1ed9t b\u00e0i thi tr\u1eafc nghi\u1ec7m!<\/p>\n","protected":false},"excerpt":{"rendered":"

\u0110\u00e1nh b\u1eeba \u0111\u01b0\u01a1ng nhi\u00ean kh\u00f4ng bao gi\u1edd l\u00e0 \u0111\u00fang 100%. Nh\u01b0ng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p n\u00f3 v\u00f4 c\u00f9ng h\u1eefu \u00edch. X\u00e1c su\u1ea5t \u0111\u1ec3 c\u00f3 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang th\u01b0\u1eddng kho\u1ea3ng 70-80%. \u0110\u00e2y l\u00e0 m\u1ed9t s\u1ed1 kinh nghi\u1ec7m c\u1ee7a Ad v\u00e0 tham kh\u1ea3o \u1edf m\u1ed9t s\u1ed1 n\u01a1i kh\u00e1c. \u00a01. NH\u1eacN BI\u1ebeT L\u1ecc M\u1ea4T NH\u00c3N […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[159],"tags":[],"yoast_head":"\nM\u1eb9o "\u0111\u00e1nh b\u1eeba" tr\u1eafc nghi\u1ec7m m\u00f4n H\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m cao<\/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\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M\u1eb9o "\u0111\u00e1nh b\u1eeba" tr\u1eafc nghi\u1ec7m m\u00f4n H\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m cao\" \/>\n<meta property=\"og:description\" content=\"\u0110\u00e1nh b\u1eeba \u0111\u01b0\u01a1ng nhi\u00ean kh\u00f4ng bao gi\u1edd l\u00e0 \u0111\u00fang 100%. Nh\u01b0ng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p n\u00f3 v\u00f4 c\u00f9ng h\u1eefu \u00edch. X\u00e1c su\u1ea5t \u0111\u1ec3 c\u00f3 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang th\u01b0\u1eddng kho\u1ea3ng 70-80%. \u0110\u00e2y l\u00e0 m\u1ed9t s\u1ed1 kinh nghi\u1ec7m c\u1ee7a Ad v\u00e0 tham kh\u1ea3o \u1edf m\u1ed9t s\u1ed1 n\u01a1i kh\u00e1c. \u00a01. NH\u1eacN BI\u1ebeT L\u1ecc M\u1ea4T NH\u00c3N […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:author\" content=\"www.facebook.com\/lop12.edu.vn\/\" \/>\n<meta property=\"article:published_time\" content=\"2017-02-21T13:57:32+00:00\" \/>\n<meta name=\"author\" content=\"Lop12\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Lop12\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/\",\"url\":\"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/\",\"name\":\"M\u1eb9o \\\"\u0111\u00e1nh b\u1eeba\\\" tr\u1eafc nghi\u1ec7m m\u00f4n H\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m cao\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2017-02-21T13:57:32+00:00\",\"dateModified\":\"2017-02-21T13:57:32+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/8219caa3d91a087a4ce81b8b5ac734b5\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"M\u1eb9o “\u0111\u00e1nh b\u1eeba” tr\u1eafc nghi\u1ec7m m\u00f4n H\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m cao\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lop12.edu.vn\/#website\",\"url\":\"https:\/\/lop12.edu.vn\/\",\"name\":\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/lop12.edu.vn\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/8219caa3d91a087a4ce81b8b5ac734b5\",\"name\":\"Lop12\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/65b2897b6a31b932be1276ba7fc18d41?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/65b2897b6a31b932be1276ba7fc18d41?s=96&d=mm&r=g\",\"caption\":\"Lop12\"},\"sameAs\":[\"http:\/\/www.lop12.edu.vn\",\"www.facebook.com\/lop12.edu.vn\/\"],\"url\":\"https:\/\/lop12.edu.vn\/author\/hungld\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"M\u1eb9o \"\u0111\u00e1nh b\u1eeba\" tr\u1eafc nghi\u1ec7m m\u00f4n H\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m cao","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/","og_locale":"en_US","og_type":"article","og_title":"M\u1eb9o \"\u0111\u00e1nh b\u1eeba\" tr\u1eafc nghi\u1ec7m m\u00f4n H\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m cao","og_description":"\u0110\u00e1nh b\u1eeba \u0111\u01b0\u01a1ng nhi\u00ean kh\u00f4ng bao gi\u1edd l\u00e0 \u0111\u00fang 100%. Nh\u01b0ng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p n\u00f3 v\u00f4 c\u00f9ng h\u1eefu \u00edch. X\u00e1c su\u1ea5t \u0111\u1ec3 c\u00f3 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang th\u01b0\u1eddng kho\u1ea3ng 70-80%. \u0110\u00e2y l\u00e0 m\u1ed9t s\u1ed1 kinh nghi\u1ec7m c\u1ee7a Ad v\u00e0 tham kh\u1ea3o \u1edf m\u1ed9t s\u1ed1 n\u01a1i kh\u00e1c. \u00a01. NH\u1eacN BI\u1ebeT L\u1ecc M\u1ea4T NH\u00c3N […]","og_url":"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/","og_site_name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam","article_author":"www.facebook.com\/lop12.edu.vn\/","article_published_time":"2017-02-21T13:57:32+00:00","author":"Lop12","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Lop12","Est. reading time":"10 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/","url":"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/","name":"M\u1eb9o \"\u0111\u00e1nh b\u1eeba\" tr\u1eafc nghi\u1ec7m m\u00f4n H\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m cao","isPartOf":{"@id":"https:\/\/lop12.edu.vn\/#website"},"datePublished":"2017-02-21T13:57:32+00:00","dateModified":"2017-02-21T13:57:32+00:00","author":{"@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/8219caa3d91a087a4ce81b8b5ac734b5"},"breadcrumb":{"@id":"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lop12.edu.vn\/meo-danh-bua-trac-nghiem-mon-hoa-de-dat-diem-cao\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lop12.edu.vn\/"},{"@type":"ListItem","position":2,"name":"M\u1eb9o “\u0111\u00e1nh b\u1eeba” tr\u1eafc nghi\u1ec7m m\u00f4n H\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111i\u1ec3m cao"}]},{"@type":"WebSite","@id":"https:\/\/lop12.edu.vn\/#website","url":"https:\/\/lop12.edu.vn\/","name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lop12.edu.vn\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/8219caa3d91a087a4ce81b8b5ac734b5","name":"Lop12","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/65b2897b6a31b932be1276ba7fc18d41?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/65b2897b6a31b932be1276ba7fc18d41?s=96&d=mm&r=g","caption":"Lop12"},"sameAs":["http:\/\/www.lop12.edu.vn","www.facebook.com\/lop12.edu.vn\/"],"url":"https:\/\/lop12.edu.vn\/author\/hungld\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/8987"}],"collection":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=8987"}],"version-history":[{"count":2,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/8987\/revisions"}],"predecessor-version":[{"id":18226,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/8987\/revisions\/18226"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=8987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=8987"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=8987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}