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What is the role of activated charcoal i...

What is the role of activated charcoal in gas mask?

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Adsorption of toxic gases
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The role of the activation charcoal in gas mask used coal mine is

Charcoal is activated

The pressure of the gas was found to decrease from 720 to 480 mm. When 5g of sample of activated charcoal was kept in a flask of one litre capacity maintained at 27^(@)C . If the density of charcoal is 1.25 gm//mL . The volume of gas adsorbed per gm of charcoal at 480 mm of Hg is :

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  3. What is the role of activated charcoal in gas mask?

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