
12.27.Nước cứng
Authored by Trần Thị Duyên
Chemistry
12th Grade
Used 6+ times

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31 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chất nào sau đây có thể làm mất tính cứng của nước cứng vĩnh cửu?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chất nào sau đây được dùng để làm mềm nước có tính cứng vĩnh cửu?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Để làm mềm nước có tính cứng vĩnh cữu có thể dùng dung dịch nào sau đây?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chất nào sau đây được dùng để làm mềm nước có tính cứng vĩnh cửu?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chất làm mềm nước có tính cứng vĩnh cửu là
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dãy gồm các chất đều có thể làm mềm được nước cứng vĩnh cửu là
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nước chứa dãy các ion nào sau đây là nước cứng tạm thời?
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