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NEET
Exam
NEET
Subject
Chemistry
Chapter
Surface Chemistry

NEET · Chemistry · Surface Chemistry

What is the purpose of using a gas mask in coal mines?

What is the purpose of using a gas mask in coal mines?

Options

  1. ATo enhance visibility
  2. BTo remove dust particles
  3. CTo adsorb poisonous gases
  4. DTo supply oxygen

Correct answer

C. To adsorb poisonous gases

Step-by-step solution

The paragraph mentions that gas masks, which consist of activated charcoal or a mixture of adsorbents, are used for breathing in coal mines to adsorb poisonous gases.
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