
Hóa giữa kì 2

Quiz
•
Education
•
12th Grade
•
Easy
Jam Blueberry
Used 20+ times
FREE Resource
23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để bảo quản natri, người ta phải ngâm natri trong
nước
rượu Etylic
dầu hỏa
phenol lỏng
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kim loại sau đây không tác dụng với nước
Na
Ba
Ca
Be
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Điều chê kim loại Na bằng phương pháp nào sau dây
Điện phân nóng chảy NaCl
Điện phân dd NaCl
Cho K tác dụng với dd NaCl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
thành phần chính của đá vôi
CaO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vôi tôi (vôi chín) có công thức là
CaO
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
thạch cao nung dùng để đúc tượng, bó bột khi gãy xương có công thức là
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