A C Sehgal Solutions for Exercise 3: EXERCISES

Author:A C Sehgal

A C Sehgal Science Solutions for Exercise - A C Sehgal Solutions for Exercise 3: EXERCISES

Attempt the practice questions from Exercise 3: EXERCISES with hints and solutions to strengthen your understanding. Living Science 8 solutions are prepared by Experienced Embibe Experts.

Questions from A C Sehgal Solutions for Exercise 3: EXERCISES with Hints & Solutions

EASY
8th CBSE
IMPORTANT

Name the kind of light that can kill germs.

EASY
8th CBSE
IMPORTANT

Which polluting gas prevents the blood from carrying oxygen?

EASY
8th CBSE
IMPORTANT

Which compound is added to petrol to prevent engines from 'knocking' causes pollution of air?

EASY
8th CBSE
IMPORTANT

Name one fuel that causes very little pollution.

MEDIUM
8th CBSE
IMPORTANT

Air pollution in Delhi improved after CNG was introduced instead of diesel in public transport since CNG gives out less smoke. Introduction of metro in Delhi is also expected to reduce pollution. How?

MEDIUM
8th CBSE
IMPORTANT

What kind of groundwater is more likely to be polluted, that found near the surface of the earth or that found deeper?

MEDIUM
8th CBSE
IMPORTANT

Afforestation leads to both air and water conservation, as well as soil conservation. How? 

EASY
8th CBSE
IMPORTANT

Does potable water mean pure water without any impurities?