ACID
8th Grade
•5 Qs
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ACID
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Easy
Anh Trần
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Câu 1: Trong giấm ăn có chứa chất X với nồng độ 2 – 5%.
hydrochloric acid
acetic acid
sulfuric acid
nitric acid
2.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Câu 2: Công thức của phosphoric acid là
H2SO4
HCl
H3PO4
H2CO3
3.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Câu 3: Dung dịch chất nào sau đây không làm quỳ tím chuyển sang màu đỏ?
H2SO4
HCl
H3PO4
KNO3
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Cho 0,2 mol Zn tác dụng hoàn toàn với dung dịch acid HCl theo PTHH sau:
Zn + 2HCl -> ZnCl2 + H2
Số gam H2 tạo thành là?
0,2 gam
0,4 gam
0,1 gam
0,6 gam
5.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Fe + ? -> FeCl2 + H2
Dấu ? là công thức của acid nào?
hydrochloric acid
sulfuric acid
acetic acid
nitric acid
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