
Bộ đội 7.
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Easy
Kiều Thu Hà
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31 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tơ nào sau đây là tơ nhân tạo?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Crom (III) oxit là chất rắn màu lục thẫm, được dùng tạo màu lục cho đồ sứ, đồ thủy tinh. Công thức của crom(III) oxit là
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Thạch cao nung thu được khi đun nóng thạch cao sống ở 160°C, dược dùng để nặn tượng, bó bột. Công thức của thạch cao nung là?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Công thức của etyl axetat là
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Số electron một nguyên tử Al nhường đi trong phản ứng của kim loại Al với khí O2 là
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dung dịch nào sau đây không hoà tan được Al2O3?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Thủy phân hoàn toàn tetrapeptit Ala-Gly-Ala-Val bằng enzim, thu được bao nhiêu loại amino axit?
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