Which of the desiccants can be used to remove moisture from $S O_{2}$ ?

c o n c . H_{2} S O_{4}

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K O H

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P_{2} O_{5}

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K_{2} C O_{3}

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Solution

The correct options are
C $P_{2} O_{5}$
D $K_{2} C O_{3}$
A desiccant is a substance that absorbs water.
It is most commonly used to remove humidity that would normally degrade or even destroy products sensitive to moisture. List of desiccants: Activated alumina,Sodium chlorate,Sodium chloride,Sodium sulfate,phosporous pentaoxide,pottasium carbonate.
$P_{2} O_{5}$ and $K_{2} C O_{3}$ is used to to remove moisture from $S O_{2}$
Hence options C and D are correct.

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