Chemistry
Common air pollutants that cause respiratory diseases are:
- ozone
- inert gases
- dust and smoke
- water vapour
Air
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Answer
dust and smoke
Reason — Common air pollutants like dust and smoke cause respiratory, skin and eye problems.
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Related Questions
The gases which cause acid rain are:
- sulphur dioxide and oxygen
- nitrogen and oxygen
- carbon dioxide and water vapour
- nitrogen dioxide and sulphur dioxide.
Which of the following is not a greenhouse gas?
- Carbon dioxide
- Sulphur dioxide
- Methane
- Nitrous oxide
The gas responsible for ozone depletion is:
- oxygen
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- sulphur dioxide
Fill in the blanks:
(a) The layer of air around the earth is called the …………… .
(b) Although we cannot see air, we can …………… it.
(c) Air is a …………… of gases.
(d) Plants and animals maintain the balance of …………… and …………… in air.
(e) Polluted air is …………… for health.
(f) The supporter of combustion in air is …………… .
(g) Green plants need …………… to prepare food.
(h) Oxygen is used in …………… of the food to get …………… .
(i) Aquatic plants and animals use …………… in water.
(j) The reddish brown powder on the surface of iron nails exposed to air and moisture is called …………… .