Answer the following:

Mention four uses of chlorine.

There are several uses of chlorine; some of them are listed below:

● Chlorine is used to manufacture Bleaching powder when chlorine gas is passed into calcium hydroxide, bleaching powder is formed. It is used for whitening dirty clothes in the laundry and disinfecting drinking water.

● Chlorine used in the preparation of pesticides like benzene hexachloride commonly (BHC) and DDT. These pesticides are used to kill harmful insects or pests that attack crops in agriculture.

● Chlorine is used to make common salt which is a very important component used in food, labs and in industry.

● Chlorine is used to make chloroform that has medical application as anesthetics and chlorine also helps in making of pipes by PVC.