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प्रश्न
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
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उत्तर
(i) Ammonia burns with a yellowish flame. It produces water vapour and nitrogen.
(ii) When ammonium hydroxide is brought near the mouth of concentrated hydrochloric acid, it produces dense white fumes of ammonium chloride.
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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.
List the properties of ammonia that make it
(i) A good refrigerant
(ii) A cleaning agent
(iii) As a source of hydrogen
Describe two tests to identify ammonia and ammonium ions in an aqueous solution.
State one relevant observation of burning of ammonia in air.
The diagram shows an experimental set up for the laboratory preparation of a pungent smelling gas. The gas is alkaline in nature.
- Nature the gas collected in the jar.
- Write the balance equation for the above preparation.
- How is the gas being collected?
- Name the drying agent used.
- How will you find that the jar is full of gas?
Write an equation to illustrate the reducing nature of ammonia.
