Ai là chuyên gia pH
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Easy
Hồng Vũ
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Thang pH dùng để đo:
Nhiệt độ của dung dịch
Nồng độ chất tan
Độ chua, độ kiềm của dung dịch
Màu sắc dung dịch
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dung dịch có pH = 7 là:
Acid mạnh
Base mạnh
Trung tính
Vừa acid vừa base
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Khoảng pH của dung dịch acid là:
0 < pH < 7
7 < pH < 14
pH = 7
pH > 14
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dung dịch có pH càng nhỏ thì tính gì càng mạnh?
Tính base
Tính oxi hóa
Tính acid
Tính trung tính
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dung dịch base có pH thuộc khoảng:
0 - 7
7 - 14
0 - 14
Nhỏ hơn 0
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Nước cất tinh khiết có pH xấp xỉ:
1
3
7
14
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Nếu pH của dung dịch bằng 10 thì dung dịch đó là:
Acid yếu
Base yếu
Base mạnh
Trung tính
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