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Among conc. H(2)SO(4),P(2)O(5),CaO and C...

Among conc. `H_(2)SO_(4),P_(2)O_(5),CaO` and `CaCl_(2)`, only ______ can be used for drying `NH_(3)` gas in the laboratory.

Text Solution

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The correct Answer is:
CaO;
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