Everyday Science
NULL
Medium
Question
When an acid reacts with a metal, which gas is usually liberated?
A
Ammonia Gas
B
Chlorine
C
Oxygen
D
Hydrogen gas
✓ Official correct answer
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A
Ammonia Gas
No member explanations yet for this option.
B
Chlorine
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C
Oxygen
No member explanations yet for this option.
D
Hydrogen gas
No member explanations yet for this option.
Explanation
Active metals typically liberate hydrogen gas.
So the correct answer is Hydrogen gas.
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