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प्रश्न
Describe two tests to identify ammonia and ammonium ions in an aqueous solution.
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उत्तर
Test of ammonia and ammoniumions:
(i) Ammonia gas has a characteristic pungent smell
(ii) A glass rod dipped in concentrated hydrochloric acid and is introduced into the gas produces thick white fumes of ammonium chloride.
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संबंधित प्रश्न
Complete the following equation. What property of ammonia is illustrated by the reaction given below.
2NH3 + 3CuO →
Give the formula of (i) Liquid ammonia (ii) Liquor ammonia
What is liquor ammonia fortis?
Mention two possible ways by which ammonia produced is removed from unchanged gases.
State your observation for the following cases
(i) Ammonia gas is burnt in an atomosphere of oxygen in the absence of a catalyst
(ii) Glass rod dipped in ammonium hydroxide is brought near the mouth of the concentrated hydrochloric acid bottle
The diagram shows a simple arrangement of the fountain experiment:

(i) Name the two gases you have studied which can be used in this experiment
(ii) What is the common properly demonstrated by this experiment
What do you observe when Excess ammonia is mixed with chlorine.
What do you observe when Ammonia solution is added drop by drop and then in excess to aqueous copper sulphate solution.
Differentiate between:
Action on indicators or dry ammonia gas and aqueous ammonia
