Which compound is used for removal of moisture from glass apparatus?

C a C l_{2}

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Anhydrous

C a C l_{2}

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H C l

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All of these

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Solution

The correct option is C Anhydrous $C a C l_{2}$
Option (B) is correct.
Anhydrous $C a C l_{2}$ is used for removal of moisture from glass apparatus.This can be done by placing anhydrous $C a C l_{2}$ in the apparatus which absorbs the moisture.

Note: Solid $C a C l_{2}$ cannot be used because it forms a crystalline addition compound.

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