
CHKII 23-24 HÓA 12

Quiz
•
Chemistry
•
12th Grade
•
Medium
Hoàng Phương Thảo
Used 6+ times
FREE Resource
55 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Muối nào cho dưới đây là muối axit ?
A. Na2CO3. B. CH3COONa. C. Na2SO4. D. Na2HPO4.
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các chất điện li mạnh là
A. NaOH, H2SO4, CuSO4, H2O. B. NaCl, AgNO3, Ba(OH)2, CH3COOH.
C. CH3COONa, KOH, HClO4, Al2(SO4)3. D. Fe(NO3)3, Ca(OH)2, HNO3, H2CO3.
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các ion nào sau đây không cùng tồn tại trong một dung dịch:
A. Na+, NO3-, Mg2+, Cl- B. Fe3+, NO3-, Mg2+, Cl-
C. NH4+, OH-, Fe3+, Cl- D. H+, NH4+, SO42-, Cl-
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là điện li yếu
A. HCl B. H2S C. NaCl D. KOH
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây dẫn điện tốt nhất?
A. Al. B. Cu. C. Hg. D. Ag.
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở nhiệt độ cao, chất nào sau đây không khử được Fe2O3?
A. H2. B. CO. C. Al. D. CO2.
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion kim loại nào sau đây có tính oxi hóa yếu nhất?
A. Cu2+. B. Na+. C. Mg2+. D. Ag+.
A
B
C
D
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