alleryWhich drying agent is placed in the box in the described experiment?
ACalcium carbonate
BCalcium hydroxide
CCalcium phosphate
DCalcium chloride
Answer & Solution
Correct answer: D. Calcium chloride
1. The agent must absorb water without reacting away.
2. An anhydrous salt is used.
3. Drying agent like anhydrous calcium chloride is placed for a few hours in the box.
4. So the answer is calcium chloride.
_Source: syllabus Chemistry Part I, Unit 6 'Equilibrium'_
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