Which one of the following can be used as a drying agent?
A
Calcium carbonate
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B
Sodium Carbonate
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C
Sodium bicarbonate
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D
Calcium oxide
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Solution
The correct option is D Calcium oxide Calcium oxide can be used as a drying agent. It is a white amorphous solid which can absorb moisture.When water is added to calcium oxide it absorbs water and forms slaked lime.