Lakhmir Singh & Manjit Kaur - Science

Book: Lakhmir Singh & Manjit Kaur - Science

Chapter: 18. Pollution of Air and Water

Subject: Chemistry - Class 8th

Q. No. 27 of Long Answer Type Questions

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What is air? Write the names of various constituents of air.

Pure air is a mixture of several gases that are invisible and odorless. It consists about 78% nitrogen, 21% is oxygen and less than 1% of Carbon dioxide and other gases like argon, methane and ozone and varying amount of water vapors.

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