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प्रश्न
What do you observe when Filter paper dipped in colourless phenolphthalein is introduced into ammonia.
एका वाक्यात उत्तर
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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
Name two gases which give dense white fumes with ammonia.
How ammonia occurs in nature?
Give the formula of (i) Liquid ammonia (ii) Liquor ammonia
List the properties of ammonia that make it
(i) A good refrigerant
(ii) A cleaning agent
(iii) As a source of hydrogen
Distinguish between liquid ammonia and liquid ammonia fortis.
Ammonia cannot be collected over water. Give reasons.
Name the gas produced on warming ammonium sulphate with sodium hydroxide solution.
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?
- Of the two gases, ammonia and hydrogen chloride, which is more dense? Name the method of collection of this gas.
- Give one example of a reaction between the above two gases which produce a solid compound.
- Write the balanced equation for a reaction in which ammonia is oxidized by:
- a metal oxide,
- a gas which is not oxygen.
Identify the terms for the following:
The experiment which demonstrates high solubility of ammonia gas.
