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Question

Give two uses of the following acids. a. Nitric acid b. Hydrochloric acid c. Sulphuric acid

Acids bases and salts CBSE Class 7

May 20, 2024

Answer

(a) Nitric acid

It is used by goldsmiths for cleaning gold and silver ornaments.
It is used to make fertilisers.

(b) Hydrochloric acid

It is secreted in stomach for digestion.
It is used to remove rust from iron before galvanising and painting.

(c) Sulphuric acid

It is used in batteries of cars, buses and inverters.
It is used for preparing alum.

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