ÔN TẬP SỰ ĐIỆN LI LẦN 2
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Medium
dung nguyễn
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1: Chất nào sau đây là bazơ?
A. Na2SO4.
B. NaOH.
C. HCl.
D. KCl.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Muối nào sau đây là muối axit?
A. Na3PO4.
B. Ca(HCO3)2.
C. NH4NO3.
D. CH3COOK.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3: Dung dịch chất nào sau đây làm quỳ tím hóa đỏ?
A. HCl.
B. NaCl.
C. K2SO4.
D. KOH.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4: Hợp chất nào sau đây là hiđroxit lưỡng tính?
A. Al(OH)3.
B. Ba(OH)2.
C. Fe(OH)2.
D. Cr(OH)2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5: Muối nào sau đây là muối trung hòa?
A. NH4NO3.
B. Na2HPO4.
C. Ca(HCO3)2.
D. KHSO4.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6: Dung dịch chất nào sau đây không làm đổi màu quỳ tím?
A. HCl.
B. Ba(OH)2.
C. Na2SO4.
D. HClO4.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Câu 7: Dung dịch hỗn hợp nào sau đây chứa 3 loại ion (bỏ qua sự điện li của nước)?
A. NaCl, Ba(OH)2.
B. KOH, CH3COONa.
C. NaCl, Na2SO4.
D. CuSO4, HCl.
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