What is soda lime?

Question of The Day27-07-2023

Which of the following is soda lime?

Answer

Correct Answer : d ) NaOH + CaO

Explanation :

Soda lime is a mixture of NaOH and CaO chemicals.

It is used in a granular form in closed breathing environments, such as general anesthesia, submarines, re-breathers, and recompression chambers, to remove carbon dioxide from breathing gases to prevent CO₂ retention and carbon dioxide poisoning.

It is made by treating slaked lime with a concentrated sodium hydroxide solution.

Hence, (d) is the correct answer.

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