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Preparation of Ammonia Gas by Heating Ammonium Salt with an Alkali

Select Subject  |  Chemistry


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Preparation of Ammonia Gas by Heating Ammonium Salt with an Alkali

Question

In an experiment, ammonia gas was prepared by heating ammonium salt with an alkali. After drying, ammonia gas was collected at room temperature and pressure.

(a) What is meant by the term alkali?
(b) Explain using physical properties of the gas why ammonia is not collected by downward delivery

Answer

(a)alkali is soluble base.

(b) Because it is lighter than air