E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Exercise 2: Looking Back

Author:E Doris James, Vandana Tirath, Anton Siromani & Kiran Banerji

E Doris James Science Solutions for Exercise - E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Exercise 2: Looking Back

Attempt the free practice questions from Exercise 2: Looking Back with hints and solutions to strengthen your understanding. New Science Ahead 8 solutions are prepared by Experienced Embibe Experts.

Questions from E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Exercise 2: Looking Back with Hints & Solutions

EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Looking Back>Q 1

Water _____ is the contamination of water by substances that make it unfit for use.

EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Looking Back>Q 2

The wastewater discharged from industries is called industrial _____.

EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Looking Back>Q 3

When organic substances like milk and sugar decay in water, they deplete the _____ gas dissolved in water. (argon/oxygen)

EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Looking Back>Q 4

The excessive growth of algae in water bodies can lead to _____ bloom.

EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 19 - Pollution of Air and Water>Looking Back>Q 5

Water that is safe to drink is called _____ water. (potable/polluted)