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प्रश्न
What do you observe when Filter paper dipped in colourless phenolphthalein is introduced into ammonia.
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उत्तर
The fi l ter paper turns into deep pink suggesting that ammonia solution
is alkaline or basic in nature.
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संबंधित प्रश्न
Complete the following equation. What property of ammonia is illustrated by the reaction given below.
2NH3 + 3CuO →
How will you demonstrate the solubility of ammonia in water? Explain.
List the properties of ammonia that make it
(i) A good refrigerant
(ii) A cleaning agent
(iii) As a source of hydrogen
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
Name the other ion formed when ammonia dissolves in water
Name the gas evolved when the following mixtures are heated.
Calcium hydroxide and ammonium chloride
Given one test can be used to detect the presence of the ion produced
How is ammonia soluble in water?
