
K12- ĐỀ LUYỆN SỐ- 08
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Medium
Hồng Vũ
Used 1+ times
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34 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dẫn khí CO2 vào lượng dư dd chất nào sau đây thì thu được kết tủa?
NaOH.
Ba(OH)2.
CaCl2.
K2CO3.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion nào sau đây có tính oxi hóa yếu nhất?
Cu2+.
Zn2+.
Ag+.
Fe3+.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây rất ít tan trong nước?
Glyxin.
Etylamin.
Etyl axetat.
Glixerol.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là amino axit?
Alanin.
Anilin.
Metylamin.
Nicotin.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây có pư tráng bạc?
Saccarozơ.
Xenlulozơ.
Tinh bột.
Glucozơ.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây được dùng để tạo màu lục cho đồ sứ, đồ thủy tinh?
Cr(OH)3.
K2Cr2O7.
Cr2O3.
CrO3.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây được sử dụng làm phân đạm?
KCl.
NH4Cl.
Ca(H2PO4)2.
K2CO3.
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