ôn tập 8I
Authored by hồng anh
Chemistry
8th Grade
Used 1+ times
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46 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
An acid reacts with metal to produce
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which salt will be produced if magnesium react with hydrochloric acid?
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
An acid reacts with metal to produce
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Zinc + sulfuric acid -->
Zinc sulfide + hydrogen
Zinc sulfate + hydrogen
Zinc sulfate + Water +Carbon dioxide
Zinc sulfide + water
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Iron + hydrochloric acid -->
Iron chloride + hydrogen
Iron chloride + carbondioxide
Iron hydroxide + acid
Iron chloric + hydrogen
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What gas is always produced when a metal reacts with water?
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Complete the word equation.
calcium + hydrochloric acid → ___ + ___
carbon dioxide and water
calcium chloride and oxygen
calcium oxide and hydrogen
calcium chloride and hydrogen
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