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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
State what you observe when a piece of moist red litmus paper is placed in a gas jar of ammonia.
When an ammonium salt is warmed with a sodium hydroxide solution, a gas is evolved. State three ways in which you can identify this gas.
Mention two possible ways by which ammonia produced is removed from unchanged gases.
Choose the correct word or phrase from the bracket to complete the following sentence:
Heating ammonium chloride with sodium hydroxide produces ______.
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
Name the other ion formed when ammonia dissolves in water
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 denser? Name the method of collection of this gas.
