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

cbse
acids-bases-salts
cbse-class-7-science

#1

Give two uses of the following acids.

  1. Nitric acid
  2. Hydrochloric acid
  3. Sulphuric acid

Answer:

Nitric acid

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

Hydrochloric acid

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

Sulphuric acid

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