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

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

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

(i) What is the role of activated charcoal in gas mask ? (ii) A colloidal sol is prepared by the given method in figure. What is the charge on hydrated ferric oxide colloidal particles formed in the test tube ? How is the sol represented? (iii) How does chemisorption vary with temperature?

(i) What is the role of activated charcoal in gas mask ? (ii) How does chemisorption vary with temperature?

What is activated charcoal ?

What is activated charcoal?