12.2. Ôn tập tổng hợp 2
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Hoàng Phương Thảo
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tử khối của ethyl acetate là
86
60
74
88
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây không phản ứng với dung dịch HCl ?
NaCl
Na2CO3
NaOH
Ca(OH)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số nguyên tử carbon trong phân tử Gly-Ala là
7
5
4
6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là nguyên liệu để sản xuất tơ visco?
saccharose
tinh bột
cellulose
glucose
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây tác dụng với nước tạo thành dung dịch kiềm?
Fe
Ag
Na
Cu
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để bảo vệ ống thép dẫn dầu bằng phương pháp điện hoá cần gắn vào mặt ngoài của ống những khối kim loại nào sau đây?
Zn
Pb
Ag
Cu
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây có khối lượng riêng lớn nhất?
Os
Li
Na
W
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