Ạ 3,36. B. 4,48. C. 2,24. D. 1,12. B a i 18: Phuong phap thich hgfp dieu che k i m loai Ca tuf CaCl2 la B a i 18: Phuong phap thich hgfp dieu che k i m loai Ca tuf CaCl2 la
Ạ nhiet phan CaCl2.
B. dung Na khuf Cấ trong dung dich CaClz.
C. dien phan dung dich CaCl2.
D. dien phan CaCl2 ndng chaỵ
fiai 19: Chat phan dng diTcfc vdi dung dich CaCl2 tao ket tua 1^ Ạ Mg(N03)2. B. NazCOg. C. NaNOg. D. H C l .
B a i 20: Chat cd t i n h oxi hoa nhiftig khong cd t i n h khuf la
B a i 21: A x i t aminoaxetic (NH2CH2COOH) tac dung ducfc vdi dung dich Ạ NaNOạ B. NaCl. C. NaOH. D. Na2S04.
B a i 22: Trung hoa V m l dung dich N a O H I M bkng 100ml dung dich H C l I M . Gia t r i cua V la
Ạ 400. B. 200. C. 100. D. 300.
B a i 23: Chat phan ufng diJcfc vdfi dung dich AgNOs trong NH3, dun nong tao ra k i m loai Ag la
Ạ glucozỌ B. saccarozcf. C. xenlulozcf. D. t i n h hot.
B a i 24: Chat phan ufng di/cfc vdi axit H C l la
Ạ HCOOH. B. C6H5NH2 (anilin).
C. CgHsOH. D. C H 3 C O O H .
B a i 25: H a i k i m loai deu phan iJng vdi dung dich Cu(N03)2 giai phong k i m loai Cu la
Ạ A l va Fẹ B. Fe va Aụ C. A l va Ag. D. Fe va Ag.
B a i 26: Cong thiJc chung cua day dong dang ancol no, dcfn chuTc, mach ho la
Ạ C„H2„-iOH (n > 3). B. C„H2„.iOH (n > 1). C. C„H2n.iCH0 (n > 0). D. C„H2„,iC00H (n > 0).
B a i 27: Cho phan ufng a A l + bHNOa ^ cAl(N03)3 + dNO + eHzO
He so a, b, c, d, e la cac so nguyen, t o i gian. Tong (a + b) bSng Ạ 5. B. 4. C. 7. D. 6.
B a i 28: Andehit axetic c6 cong thufc la
Ạ C H 3 C O O H . B. H C H O . C. C H 3 C H O . D. H C O O H .
B a i 29: A x i t axetic khdng phan ufng vdi
Ạ CaCOs. B. Na2S04. C. N a O H . D. Na2C03.
B a i 30: Nung 21,4 gam Fe(0H)3 a nhiet cao den khoi lugng khong doi, thu diioc m gam mot oxit. Gia tri cua m la
Ạ 16. B. 14. C. 8. D. 12. B a i 31: Cau h i n h electron cua nguyen tijf Na (Z = 11) B a i 31: Cau h i n h electron cua nguyen tijf Na (Z = 11)
Ạ ls'2s'2p''3sl B. ls'2s'2p^ ' C. Is'2s22p«3s. Is'2s22p'3s'3p\
Ia i 32: Cho 4,4 gam mot andehit no, don chiJc, mach hd X phan ufng
hoan toan vdi mot luofng dii AgN03 trong dung dich NH3, dun nong thu dtroc 21,6 gam k i m loai Ag. Cong thufc cua X la
Ạ C H 3 C H O . B. C3H7CHỌ C. H C H O . D. C 2 H 5 C H O . B a i 33: Chat phan ufng dirac vdri AgN03 trong dung dich NH3, dun nong
tao ra k i m loai Ag la
Ạ CH3NH2. B. C H 3 C H 2 O H . C. C H 3 C H O . D. C H 3 C O O H . B a i 34: De phan biet dung dich phenol (CeHsOH) va ancol etylic
(C2H5OH), ta dung thuoc thuf la
Ạ k i m loai Nạ B. quy t i m . C. n\idc brom. D. đ NaCl.
B a i 35: Oxi hoa C H 3 C H 2 O H b^ng CuO dun nong, t h u difoc andehit c6 cong thufc la
Ạ C H 3 C H O . B. C H 3 C H 2 C H O .