Water: Our Lifeline

IMPORTANT

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

EASY
IMPORTANT

Chlorine tablets are used to purify water.

EASY
IMPORTANT

Where is the wastewater generated from?

MEDIUM
IMPORTANT

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

MEDIUM
IMPORTANT

Fill in the blank with an appropriate option:

_____(Purities/Impurities/Alum) are substances that make water unfit for consumption.

MEDIUM
IMPORTANT

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

MEDIUM
IMPORTANT

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

EASY
IMPORTANT

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

HARD
IMPORTANT

Write the ways of water purification at water works.

MEDIUM
IMPORTANT

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