write any two uses of sulphuric acids
Answers
1. It is formed through a natural process. When sulphide mineral in the rock oxidizes, sulphuric acid is formed. Sulphuric acid is highly acidic. Therefore, it is used in the cleaning of metals, removal of impurities from oil, manufacturing of chemicals – nitric acid, hydrochloric acid, synthesis of dye, drugs, detergents, explosives, etc.
2. It is used in different industries such as – wastewater processing, production of cleaning agents, processing of minerals, producing explosives, detergents and paper industry for the manufacture of aluminium sulfate.
3. Used to damage the cancerous cell DNA by the manufacture of chemotherapy drugs. It is used in ointments to treat various skin infections. It is the basic ingredient of topical ointment named Debacterol in the treatment of canker sores
4. It is used in skin ointments to treat skin infections like canker sores. Concentrated sulphuric acid is harmful for skin. It causes severe skin burn and injury.