PPT-2 CLEANING OF WATER(Session-1)

1. The process of pouring out the clear upper water without disturbing the sediments is called ______________.

• Decantation

• Sedimentation

• Filtration

A filter paper has big holes in it.

• True

• False

The impurities that get deposited on the filter paper are called ____________.

• Residue

• Filtrate

• Sediment

1. Filtering water using cloth or filter paper is called _____________.

• Sedimentation

• Decantation

• Filtration

Drinking water should be clean and germ free.

• True

• False