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Question

Absolute alcohol is prepared by the distillation of rectified spirit in the presence of:

A
Na
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B
CaCO3
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C
CaO
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D
Ca(OH)2
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Solution

The correct option is C CaO
The correct option is C.
Absolute alcohol is prepared by the distillation of rectified spirit in the presence of CaO which absorb water content and finally contacting the solution with anhydrous copper sulphate removes the leftover traces of water.

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