
Hóa 9 - TCHH Muối
Authored by hà vũ
Science
9th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong tự nhiên muối Sodium Chloride có nhiều trong:
Nước biển
Nước biển
Nước sông
Nước giếng
2.
DRAG AND DROP QUESTION
30 sec • 1 pt
Muối . (a) không được phép có trong nước ăn vì tính độc hại của nó
3.
DRAG AND DROP QUESTION
30 sec • 1 pt
Nung kali nitrat (KNO3) ở nhiệt độ cao, ta thu được: 2KNO3→ (a) + (b)
4.
DROPDOWN QUESTION
30 sec • 1 pt
Muối kali nitrat (KNO3) là chất (a) (b) (c)
5.
DRAG AND DROP QUESTION
30 sec • 1 pt
Chất (a) và (b) có thể cùng tồn tại trong 1 dung dịch
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Để làm sạch dung dịch copper nitrate Cu(NO3)2 có lẫn tạp chất silver nitrate AgNO3. Ta dùng kim loại:
Mg
Cu
Fe
Au
7.
DRAG AND DROP QUESTION
30 sec • 1 pt
Sulfur dioxide được tạo thành từ phản ứng của cặp chất: (a) và (b)
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