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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
What property of ammonia is demonstrated by the fountain experiment?
State what you observe when a piece of moist red litmus paper is placed in a gas jar of ammonia.
Complete the following equation. What property of ammonia is illustrated by the reaction given below.
2NH3 + 3CuO →
What is liquor ammonia fortis?
Describe two tests to identify ammonia and ammonium ions in an aqueous solution.
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
What do you observe when Ammonium solution is added to ferric chloride solution.
What do you observe when Ammonia solution is added drop by drop and then in excess to aqueous copper sulphate solution.
Differentiate between:
Action on indicators or dry ammonia gas and aqueous ammonia
Differentiate between:
Aqueous ferrous and ferric sulphate solution
