Contamination of air nbsp-by unwanted substances nbsp-is called -air utilisation-air pollution-air purificationair conservation-

The correct option is B air pollution Air pollution refers to the nbsp;contamination of air nbsp;by unwanted substances. These contaminants have harmful ...

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Standard VII

Chemistry

Sources of Air Pollution

Contamination...

Question

Contamination of air by unwanted substances is called ______.

air utilisation

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air pollution

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air purification

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air conservation

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Solution

The correct option is B
air pollution

Air pollution refers to the contamination of air by unwanted substances. These contaminants have harmful effects on both living and non-living things.

Pollutants like oxides of sulphur causes respiratory problems in humans and causes damage to buildings or structures.

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Similar questions

Q. Contamination of air by unwanted substances is called .

When air is contaminated by ________ substances which have a ________ effect on both the ________ and ________, it is referred to as ________. (air pollution, harmful, living, unwanted, non-living, pollutants).

Question 1

(a) Is Air said to be polluted when it is contaminated with unwanted or foreign substances?

(b) Mention one man-made activity that leads to air pollution.

Q. Air is contaminated by unwanted substances that have harmful effects on both living and non-living objects. This phenomenon is called _____.

The substances which contaminate air are called __________.

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