Book: Lakhmir Singh & Manjit Kaur - Science
Chapter: 18. Pollution of Air and Water
Subject: Chemistry - Class 8th
Q. No. 42 of Multiple Choice Questions (MCQs)
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42
Which of the following is not an air pollutant?
The harmful substances like sewage, toxic materials, silt etc., when gets mixed with water, causes water pollution. The gases like carbon dioxide, carbon monoxide, Sulphur dioxide, nitrogen dioxide and chlorofluorocarbons are the major pollutants of air.
