CLASS-VIII
ASSIGNMENT-5
POLLUTION OF WATER
Q1. Define water pollution.
Q2. Give 2 purposes of purification.
Q3. Water should be preferably boiled before consumption. Why?
Q4. Hot water can also be a pollutant. Comment.
Q5. Mention any 4 ways by which you can recognize water pollutants.
Q6. How is water pollution responsible for depletion of oxygen in water?
Q7. Name any three water-borne diseases.
Q8. Name any 2 chemicals used in purification of water.
thankzz mam
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