
Quiz Hóa Học
Quiz
•
Chemistry
•
9th Grade
•
Hard
phuong hoang
FREE Resource
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27 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất chỉ toàn bao gồm acid là:
HCl; NaOH
CaO; H2SO4
H3PO4; HNO3
SO2; KOH
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hydrochloric acid có công thức hoá học là:
HClO
HCl
HClO2
HClO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong số những chất có công thức hoá học dưới đây, chất nào có khả năng làm cho quì tím đổi màu đỏ?
H2SO4
NaOH
NaCl
Ca(OH)2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các chất sau: H2SO4, HNO3, NaCl, NaOH, CH3COOH, CuSO4. Số chất thuộc loại axit là:
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các kim loại tác dụng được với dung dịch H2SO4 loãng là:
Fe, Cu, Mg.
Zn, Fe, Cu.
Zn, Fe, Al.
Fe, Zn, Ag
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để an toàn khi pha loãng H2SO4 đặc cần thực hiện theo cách:
Rót từ từ acid vào nước
Cho cả nước và acid vào cùng lúc
Rót từng giọt nước vào acid
Cả 3 cách trên đều được.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu đốt cháy 48 gam sulfur và thu được 96 gam sulfur dioxide thì khối lượng oxygen đã tham gia vào phản ứng là:
40 gam
44 gam
48 gam
52 gam
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