
HÓA 10_ÔN THI HỌC KỲ II
Quiz
•
Chemistry
•
10th Grade
•
Medium
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100 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Answer explanation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Có bao nhiêu phát biểu sau đây đúng? (a) Dung dịch HF được dùng để khắc chữ lên thủy tinh. (b) Muối ăn trộn KI hoặc KIO3 được gọi là muối iốt. (c) Trong hợp chất KClO3, chlorine có số oxi hóa +5. (d) Chlorine được sản xuất bằng điện phân dung dịch NaCl không có màng ngăn xốp. (e) Tính acid của dung dịch HX giảm dần từ HI, HBr, HCl, HF.
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