Water: Our Lifeline
Water: Our Lifeline: Overview
This topic introduces us to the different concepts related to water. It explains the different sources, uses and components of water in detail with the aid of pictures. We will also study the necessity of water in our lives.
Important Questions on Water: Our Lifeline
Chlorine tablets are used to purify water.

Where is the wastewater generated from?

The process of adding chlorine to the water to purify it is called _____.

Fill in the blank with an appropriate option:
_____(Purities/Impurities/Alum) are substances that make water unfit for consumption.

What is the purpose of adding alum in the water treatment process?

Why should drinking water be purified? Suggest some methods that you can use at home.

Which of the following methods can be used to purify drinking water?

Write the ways of water purification at water works.

Name the different methods of removing soluble and insoluble impurities in water.
