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प्रश्न
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.
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उत्तर
Three ways in which ammonia gas can be identified is:
It has a sharp characteristic odour When a glass rod dipped in HCl is brought in contact with the gas white colour fumes of ammonium chloride are formed It turns moist red litmus blue, moist turmeric paper brown and phenolphthalein solution pink.
संबंधित प्रश्न
Is ammonia more dense or less dense than air?
What property of ammonia is demonstrated by the fountain experiment?
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.
What do you observe when Ammonia in excess is mixed with chlorine.
What do you observe when Filter paper dipped in colourless phenolphthalein is introduced into ammonia.
What do you observe when Ammonia solution is added drop by drop and then in excess to aqueous copper sulphate solution.
Of the two gases, ammonia and hydrogen chloride, which is denser? Name the method of collection of this 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.
