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Neutralisation Reaction

Ammonia gas i...

Question

Ammonia gas is evolved from the following salts by addition of hot, concentrated sodium hydroxide is:

A

calcium nitrate

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B

ammonium chloride

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C

sodium chloride

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D

ammonium sulphate

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Solution

The correct options are
B ammonium chloride
D ammonium sulphate
Addition of hot concentrated sodium hydroxide gives ammonia gas from ammonium chloride and ammonium sulphate.

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Q. When an ammonium salt is warmed with sodium hydroxide solution, ammonia gas is evolved. State three ways by which you can identify this gas.

Identify the odd one out and justify.

(a) Chloride, nitrate, hydride, ammonium

(b) Hydrogen chloride, sodium hydroxide, calcium oxide, ammonia

(c) Acetic acid, carbonic acid, hydrochloric acid, nitric acid

(d) Ammonium chloride, sodium chloride, potassium nitrate, sodium sulphate

(e) Sodium nitrate, sodium carbonate, sodium sulphate, sodium chloride

(f) Calcium oxide, magnesium oxide, zinc oxide, sodium oxide.

(g) Crystalline blue vitriol, crystalline common salt, crystalline ferrous sulphate, crystalline sodium carbonate.

(h) Sodium chloride, potassium hydroxide, acetic acid, sodium acetate.

Q. Name the gas evolved when the following mixtures are heated :
(i) Calcium hydroxide and Ammonium Chloride.
(ii) Sodium Nitrite and Ammonium Chloride.

C l_{2}

gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number changes from:

{C l}_{2}

gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from:

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