Axit cacbonic và muối cacbonat
9th Grade
•10 Qs
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Axit cacbonic và muối cacbonat
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Thanh Nguyễn
Used 15+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit cacbonic trong tự nhiên xuất hiện ở đâu?
Núi lửa.
Ao, hồ, nước mưa.
Đất đá.
Đầm lầy amazon.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1000 cm3 nước hòa tan bao nhiêu cm3 khí cacbonic?
50
60
80
90
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit cacbonic có làm đổi màu quỳ tím không?
Có
Không
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2CO3 -> ....
H2O + CO3
H2O + CO4
H2O + CO2
H2O + CO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phát biểu nào sau đây đúng?
Hầu hết muối cacbonat axit đều tan.
Hầu hết muối cacbonat axit đều không tan.
Hầu hết muối cacbonat axit đều kết tủa.
Hầu hết muối cacbonat axit đều tan trừ NaHCO3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phát biểu nào sau đây không đúng?
Đa số muối cacbonat không tan.
Đa số muối cacbonat đều tan.
Muối cacbonat trung hòa chứa gốc CO3.
Muối cacbonat axit chứa gốc HCO3.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi hòa tan CaCO3 vào HCl thì thu được khí ...
SO3
SO2
CO3
CO2
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