What is potable water?

Important Questions on Pollution in Environment

EASY

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 18 - Pollution in Environment>ORAL Questions>Q 4

Why should we add chlorine to water?

EASY

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 18 - Pollution in Environment>Chapter Review>Q 1

_____ is defined as the contamination of air, water and soil, etc.

EASY

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 18 - Pollution in Environment>Chapter Review>Q 2

Which of the following is responsible for depletion of ozone layer?

EASY

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 18 - Pollution in Environment>Chapter Review>Q 3

_____ is caused by air pollution.

EASY

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 18 - Pollution in Environment>Chapter Review>Q 4

According to WHO, the standard pH of drinking water should be between _____.

EASY

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 18 - Pollution in Environment>Chapter Review>Q 5

The marble dissolves due to ............ and slowly crumbles away.

EASY

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 18 - Pollution in Environment>Chapter Review>Q 1

SPM stands for _____. (Suspended Particulate Matter/Separated Particulate Matter/Sulphur particulate matter)

EASY

8th CBSE

IMPORTANT

GALAXY SCIENCE IN EVERYDAY LIFE>Chapter 18 - Pollution in Environment>Chapter Review>Q 2

Dissolved acids make the rain _____ in nature.