
muối carbonate
Authored by ThuyAi lynguyen
Chemistry
9th Grade

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức của đá vôi
CaCO3
CaO
Ca(OH)2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức của vôi sống
CaCO3
CaO
Ca(OH)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức của calcium carbonate
CaCO3
CaO
Ca(OH)2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CaCO3 thuộc loại
acid
base
muối tan
muối không tan
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ca(OH)2 thuộc loại
oxide acid
base tan
base không tan
acide
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nung nóng CaCO3 ở 900 độ C thu được sản phẩm là
CaO + CO2
Ca(OH)2 + CO2
Ca + CO3
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Nhỏ từ từ từng giọt dung dịch HCl vào đá vôi, ta thấy hiện tượng là
đá vôi tan
sủi bọt khí
kết tủa trắng
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