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प्रश्न
What do you observe when Filter paper dipped in colourless phenolphthalein is introduced into ammonia.
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 →
What is liquor ammonia fortis?
List the properties of ammonia that make it
(i) A good refrigerant
(ii) A cleaning agent
(iii) As a source of hydrogen
Identify the substance underlined, in the following case:
A solid formed by reaction of two gaes, one of which is acidic and the other basic in nature.
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?
What do you observe when Ammonia solution is added drop by drop and then in excess to aqueous copper sulphate solution.
Differentiate between:
Aqueous ferrous and ferric sulphate solution
