What processes are used to clean drinking water?

Lead pipes are not used for carrying drinking water because

Germicides used for drinking water are

What provisions are made by local authorities to provide clean drinking water?

Find out what provisions are made by your local authority (panchayat/municipal corporation) for the supply of clean drinking water.

Collect information if the people of your locality get a supply of clean drinking water at their homes?

Which of the following is best used for purification of drinking water

Which gas is used in purification of drinking water?

Which disinfectant cannot be used in drinking water?