ICSE /Class 7
Chemistry MCQ Based On Air quality
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ICSE Class 7 Chemistry Air quality
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Air pollution
Air quality is acceptable but for some pollutants, there may be a moderate health concern for a very small number of people
Air is composed of 78% nitrogen, 21% oxygen, 1% other gases including CO2.
Air pollution is a mixture of solid particles and gases in the air.
Air pollution
Air pollution
Air pollution
Air pollution
The natural way to cause air pollution includes volcanoes, dust storms, forest fires, etc.
Air pollution
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