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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?

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Role of activated charcoal in gas mask can be explained on the basis of adsorption, Activated charcoal adsorbs various poisonous gases on its surface present in coal mines.
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NCERT EXEMPLAR-SURFACE CHEMISTRY-Surface Chemistry
  1. What happens when dialysis is prolonged?

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  2. Why does the white precipitate of silver halide become coloured in the...

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

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  4. How does a delta form at the meeting place of sea and river water?

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  5. Given an example where physisorption changes to chemisorption with ris...

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  6. Why is desorption important for a substance to act as good catalyst?

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  7. What is the role of diffusion in heterogeneous catalyst?

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  8. How does a solid catalyst enhance the rate of combination of gaseous ...

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  9. Do the vital functions of the body such as digestion get affected duri...

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  10. Method of formation of solution is given in Column I. Match it with th...

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  11. Match the statement given in Column I with the phenomenon given in Col...

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  12. Match the items given in Column I and Column II. {:(,"Column I","Co...

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  13. Match the types of colloidal systems given in Column I with the name g...

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  14. Match the items of Column I and Column II. {:("Column I","Column II...

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  15. Match the items of Column I and Column II. {:("Column I","Column II...

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  16. Assertion (A) An ordinary filter paper impregnated with collodion solu...

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  17. Assertion (A) Colloidal solution show colligative properties. Reason...

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  18. Assertion (A) Colloidal solutions do not show Brownian motion. Reas...

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  19. Assertion (A) Coagulation power of Al^(3+) is more than Na^(+). Reas...

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  20. Assertion (A) Detergents with low CMC are more economical to use. Re...

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