Question

Fill in the blanks with the help of the hints given below.
1. ___________ is a physical method used for removing impurities from water using filters. (chlorination/filtration)​
2.The process in which bleaching powder is used for purifying water is ___________ . (chlorination/filtration)

Answer 1

1. Filtration is a physical process of removing suspended matter from the water by allowing it to pass through a filter medium that allows the water to pass while retaining the suspended matter.
2. The process of adding chlorine or chlorine compounds to water, such as bleaching powder, in order to disinfect water is known as chlorination.