hóa học
KG - 1st Grade
•20 Qs
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hóa học
Quiz
•
Physical Ed
•
KG - 1st Grade
•
Practice Problem
•
Hard
Minh Nguyễn
Used 42+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào sau đây là chất điện li mạnh?
A. HF
B. CH3 COOH
C. NaNO3
D. HClO
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dung dịch nào sau đây có khả năng dẫn điện ?
A. Dung dịch đường
B.Dung dịch rượu
C. Dung dịch benzen trong ancol
D. Dung dịch muối ăn
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dung dịch chất nào sau đây làm xanh quỳ tím
A. Na2SO4
B. KCL
C. HCL
D. KOH
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào sau đây là chất điện li mạnh ?
A. HCLO
B. KCL
C. H2S
D. CH3COOH
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dung dịch chất nào sau đây không làm đổi màu quỳ tím
A. HCl
B. Ba(OH)2
C. HClO4
D. NaNO3
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Theo thuyết A-rê-ni-ut,chất nào dưới đây là axit?
A. NaCl
B. KOH
C. HCl
D. Al(NO)3
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dung dịch nào sau đây có pH >7 ?
A. NaCl
B. NaOH
C. HCl
D. Na2SO4
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