Name two chemicals used to disinfect water.

Study the following statements about ozone and state if the statement is true or false: It is used to disinfect water.

Identify the compound which is used as disinfectant.

A sanitary worker uses a white chemical having strong smell of chlorine gas to disinfect the water tank. (i) Identify the chemical compound write is chemical formula. (ii) Give chemical equation for its preparation. (iii) Write its two uses other than disinfection.

What are allergens? Name the two chemicals realised by mast cells in the body during allergy

What is an allergy? Name the two chemicals released by mast cells in the body during allergy.

What is an allergy? Name the two chemicals released by mast cells in the body during allergy.