EASY
8th CBSE
IMPORTANT
Earn 100

Name any four pollutants which cause water pollution. State any three ways of controlling water pollution.

Important Questions on Pollution of Air and Water

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 18 - Pollution of Air and Water>Short Answer Type Questions>Q 13
How do industries cause water pollution?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 18 - Pollution of Air and Water>Short Answer Type Questions>Q 14
How can you help reduce air pollution at the individual level?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 18 - Pollution of Air and Water>Short Answer Type Questions>Q 15
Explain the difference between pure air and polluted air.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 18 - Pollution of Air and Water>Short Answer Type Questions>Q 16
What is 'greenhouse effect'? State its importance for us.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 18 - Pollution of Air and Water>Short Answer Type Questions>Q 17
Name two greenhouse gases? Which one of them produces the maximum greenhouse effect?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 18 - Pollution of Air and Water>Short Answer Type Questions>Q 18
What depletes the ozone layer in the atmosphere? What are the harmful effects of the depletion of ozone layer on us?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 18 - Pollution of Air and Water>Short Answer Type Questions>Q 19

Name one source and one harmful effect of the air pollutant sulphur dioxide.

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 18 - Pollution of Air and Water>Short Answer Type Questions>Q 19

Name one source and one harmful effect of the air pollutant nitrogen oxides.