ĐẦU TIẾT HỌC C5.4

Quiz
•
Science
•
9th - 12th Grade
•
Easy
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5 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dung dịch acid có pH như thế nào?
pH < 7
pH = 7
pH > 7
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Phản ứng trung hòa giữa base và acid tạo ra
muối và nước
kết tủa và nước
khí và kết tủa
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Acid có trong dạ dày của con người là
HCl
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dung dịch sodium hydroxide làm cho .... hóa hồng. Vị trí ... là chất nào sau đây?
quỳ tím
phenolphtalein
methyl da cam
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Acid thường có vị
ngọt
đắng
chua
cay
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