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Class 12ChemistrySurface ChemistryAdsorption and Adsorption isotherm
Medium

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

  • A
    It acts as a catalyst for the oxidation of poisonous gases.
  • B
    It acts as an adsorbent for poisonous gases.
  • C
    It acts as a filter to remove dust particles only.
  • D
    It reacts with poisonous gases to form harmless compounds.
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Surface Chemistry

Subtopic

Adsorption and Adsorption isotherm

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