ICSE /Class 6
Chemistry MCQ Based On Air a mixture of gases dust and smoke as pollutants
Our free online Chemistry test quiz for Class 6, ICSE will assist you to improve your Chemistry skills on every concept in a fun interactive way.
ICSE Class 6 Chemistry Air a mixture of gases dust and smoke as pollutants
A substance that pollutes or contaminates the air is known as an air pollutant.
Nitrogen is present in highest concentration in air.
During which time of the day photosynthesis is going on faster than respiration?
Respiration is a chemical process .
Oxygen is more than one fifth in air.
Air is a mixture of gases.
Recall the composition of air.
It is present in air in very small amount.
The second layer of Atmosphere prevent us from UV rays coming from sun.
It basically consist of air.
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