
Hóa học - Kim loại kiềm thổ
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Huyen Thanh
Used 2+ times
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64 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Cho lần lượt các kim loại. Be; Na, K, Ba, Ca, Fe, Ag vào nước.Số phản ứng xảy ra ở điều kiện thường là
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2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Chất nào sau đây tác dụng với dung dịch Ba(OH)2 tạo ra kết tủa?
3.
OPEN ENDED QUESTION
3 mins • 1 pt
Dung dịch Na2CO3 tác dụng được với dung dịch nào sau đây?
Evaluate responses using AI:
OFF
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thành phần chính của thạch cao là canxi sunfat. Công thức của canxi sunfat là
CaCl2
CaSO3
CaSO4
CaCO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây được dùng để khử chua đất trong nông nghiệp?
CaO
Ca(NO3)2
CaCl2
CaSO4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thạch cao sống có công thức là
CaSO4
CaSO4.H2O
CaSO4.4H2O
CaSO4.2H2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho khí CO2 vào lượng dư dung dịch nào sau đây sẽ tạo kết tủa?
MgCl2
Ca(OH)2
Ca(HCO3)2
NaOH
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