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What is the role of activated charcoal i...

What is the role of activated charcoal in gas mask used in coal mines?

A

It acts as an adsorbent for poisonous gases

B

It acts as an adsrobent for coal particles present in coal mines.

C

It acts as a mask through which exhaled gases and diffused out.

D

It acts as a base for scattering the light.

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The correct Answer is:
A
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Activated charcoal is prepared by :

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