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Byju's Answer
Standard VII
Chemistry
Reaction Acids with Metals
Which of the ...
Question

Which of the following gas is released when an acid reacts with metal?


A

Hydrogen

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B

Nitrogen

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C

Oxygen

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D

Carbon

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Solution

The correct option is A

Hydrogen


Metals like sodium (Na), magnesium (Mg), aluminium (Al), zinc (Zn), iron (Fe) etc., react with acids to produce metal salt and hydrogen gas.

Zn+2HCl→ZnCl2+H2


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