
Củng cố bài ACID
Authored by Loan Quan
Science
8th Grade
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Để xác nhận một dung dịch là acid ta có thể
quan sát màu của dung dịch.
nhỏ dung dịch lên giấy quỳ tím.
ngửi mùi của dung dịch.
quan sát sự bay hơi của dung dịch.
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Điền vào chỗ trống: "Acid là những ... trong phân tử có nguyên tử ... liên kết với gốc acid. Khi tan trong nước, acid tạo ra ion ..."
Đơn chất, hydrogen, OH−.
Đơn chất, hydroxide, OH−.
Hợp chất, hydroxide, H+.
Hợp chất, hydrogen, H+.
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Dãy các chất thuộc loại acid là:
HCl, H2SO4, Na2S, H2S.
HCl, H2SO4, HNO3, Na2S
Na2SO4, H2SO4, HNO3, H2S.
HCl, H2SO4, HNO3, H2S.
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Dung dịch H2SO4 tác dụng với chất nào tạo ra khí hydrogen?
NaOH
Fe
CaO
CO2
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Hydrochloric acid đều tác dụng được với các kim loại trong dãy nào sau đây?
Al, Cu, Zn, Fe
Al, Fe, Mg, Ag
Al, Fe, Mg, Cu
Al, Fe, Mg, Zn
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