CFCs deplete the .

Important Questions on Pollution of Air and Water

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 4

The _____ of carbon dioxide in the atmosphere may be responsible for global warming.

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 1

Ultraviolet radiations are absorbed by ozone.

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 2

${\mathrm{SO}}_2$, $\mathrm{CO}$ and ${\mathrm{NO}}_2$ oxides are polluting the gases.

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 3

Global warming is a serious threat for life on the earth.

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 4

Water fit for drinking is potable water.

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 5

Sulphur dioxide and nitrogen dioxide gases are responsible for acid rain.

MEDIUM

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 6

Refrigerators, air conditioners and aerosol sprays have CFC pollutant.

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 18 - Pollution of Air and Water>Chapter Practice>Q 7

Sun's rays do not warm the earth's surface.