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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?
How will you demonstrate the solubility of ammonia in water? Explain.
Choose the correct word or phrase from the bracket to complete the following sentence:
Heating ammonium chloride with sodium hydroxide produces ______.
Identify the substance underlined, in the following case:
Cation that does not form a precipitate with ammonium hydroxide but forms one with sodium hydroxide.
What do you observe when Filter paper dipped in colourless phenolphthalein is introduced into ammonia.
Differentiate between:
Aqueous ferrous and ferric sulphate solution
- 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.
