alleryWhich compound is commonly used as a drying agent?
ACalcium carbide
BGypsum
CCalcium carbonate
DCalcium oxide
Answer & Solution
Correct answer: D. Calcium oxide
1. A drying agent absorbs moisture readily.
2. Calcium oxide (quicklime) reacts vigorously with water.
3. So calcium oxide is used as a drying agent.
_Source: RRB Group D CEN-02/2018 PYQ, Q.83._
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