
Untitled Quiz
Authored by Thuy Truong
Arts
10th Grade
Used 1+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Câu 1. Dung dịch nào sau đây có pH > 7
A. HNO3.
B. KOH
C. CH3COOH.
D. NaCl
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Câu 2. Chất nào dưới đây không phân li ra ion khi hòa tan trong nước?
A. MgCl2.
B. HClO3.
C. Ba(OH)2.
D. C6H12O6.
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Câu 3. Trong dung dịch axit nitric (bỏ qua sự phân li của H2O) có những phần tử nào?
.
A. H+, NO3-
B. H+, NO3-, H2O
C. H+, NO3-, HNO3.
D. H+, NO3-, HNO3, H2O.
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Câu 4. Một dung dịch có chứa các ion: Na+ (0,1 mol), Mg2+ (0,1 mol), Ca2+ (0,15 mol), Cl- (x mol). Tìm x?
0,2
0,15
0,6
0,35
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Câu 5. Dung dịch nào sau đây làm quỳ tím hóa đỏ
A. KOH
B. HNO3.
C. NaNO3
D. NaOH
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6. Dung dịch nào sau đây có tính axit mạnh nhất?
A. HCl.
B. H2SO4.
C. HNO3.
D. CH3COOH.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7. Chất nào dưới đây là một bazơ mạnh?
A. NaCl.
B. KOH.
C. NH4OH.
D. CaCO3.
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