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Chemistry

Grade-10

Easy

Question

Which of the following statements are correct according to the function of quick lime in soda-lime mixture?

It absorbs moisture present in soda lime mixture.
Quick lime increases the efficiency of soda lime mixture.
Provide the surface for the reaction.
Quick lime take part in reaction with NaOH.

hint Hint:

Quick lime absorbs moisture.

The correct answer is: It absorbs moisture present in soda lime mixture.

Soda-lime is the compound that is white in color and is a mixture of sodium hydroxide and calcium oxide. It readily reacts with water content present in the surrounding. The purpose of adding quick lime in soda-lime mixture is to absorb the moisture present in it.

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