Ammonia gas can be dried by___________________?
Correct answer: B. Quick lime
- A. PCl5
- B. Quick lime
- C. CaCl2
- D. Concentrated H2SO4
Explanation
Quicklime, CaO, removes moisture from ammonia without reacting appreciably with the gas. Concentrated sulfuric acid and phosphorus pentachloride react with ammonia, while calcium chloride can form ammoniated compounds.
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