M

Mr. Dubey • 52.30K Points
Coach 

Q. Which of the following is capable of absorbing excess moisture from the air?

(A) silica gel
(B) charcoal
(C) salts of calcium or ammonia
(D) activated alumina
Correct : Option (C)

Explanation: 
 absorbents like salts of calcium or ammonia are capable of absorbing excess moisture from the air. however, the adsorbents like silica gel and activated alumina allow moisture to stay only at the surface.

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