Give two uses of the following acids.
- Nitric acid
- Hydrochloric acid
- Sulphuric acid
- It is used by goldsmiths for cleaning gold and silver ornaments.
- It is used to make fertilisers.
- It is secreted in stomach for digestion.
- It is used to remove rust from iron before galvanising and painting.
- It is used in batteries of cars, buses and inverters.
- It is used for preparing alum.