Mention five uses of water.

Important Questions on Water

EASY

7th Jammu and Kashmir Board

IMPORTANT

SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 16 - Water>EXERCISES>Q IV

How water is polluted?

MEDIUM

7th Jammu and Kashmir Board

IMPORTANT

SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 16 - Water>EXERCISES>Q IV

How can pollution of water be prevented?

MEDIUM

7th Jammu and Kashmir Board

IMPORTANT

SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 16 - Water>EXERCISES>Q IV

What is electrolysis? Describe in brief the electrolysis of water.

EASY

7th Jammu and Kashmir Board

IMPORTANT

SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 16 - Water>EXERCISES>Q IV

Mention the names of some industries which pollute water.

MEDIUM

7th Jammu and Kashmir Board

IMPORTANT

SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 16 - Water>EXERCISES>Q IV

Give the names of some metals whose compounds are toxic.

MEDIUM

7th Jammu and Kashmir Board

IMPORTANT

SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 16 - Water>EXERCISES>Q IV

Why is saline water not suitable for drinking?

MEDIUM

7th Jammu and Kashmir Board

IMPORTANT

SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 16 - Water>EXERCISES>Q IV

What is potable water? Give its characteristics.

EASY

7th Jammu and Kashmir Board

IMPORTANT

SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 16 - Water>EXERCISES>Q IV

Name the elements that water is composed of.