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AP EAMCET201824 Apr 2018Morning ShiftChemistrySurface ChemistryActual

Which one of the following is present in gas mask?

Options

  1. ASilica gel
  2. BV ₂ O ₅
  3. CActivated charcoal
  4. DFluorescein

Correct answer

C. Activated charcoal

Step-by-step solution

Activated charcoal is present in gas mask because it is a very good adsorbent. It can easily adsorb large volumes of gases, hence it is used in gas masks to adsorb harmful gases. It cannot adsorb oxygen which makes it perfect for gas masks.

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