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प्रश्न
List the properties of ammonia that make it a good refrigerant.
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उत्तर
Ammonia has a high latent heat of vaporisation and can be easily liquefied under pressure. As a result, it absorbs a large amount of heat during evaporation and provides cooling.
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संबंधित प्रश्न
Name two gases which give dense white fumes with ammonia.
Name a metallic chloride soluble in ammonium hydroxide.
Complete the following equation. What property of ammonia is illustrated by the reaction given below.
2NH3 + 3CuO →
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
State one relevant observation of burning of ammonia in air.
Write an equation to illustrate the reducing nature of ammonia.
