Clean Drinking Water
Q.1. What is the most abundant substance on the earth?
Q.2. What are the uses of water?
Q.3. Which liquid is found in all the organs of the human body?
Q.4. What happens when the water in the blood is insufficient?
Q.5. What are the processes by which water is lost from your body?
Q.6. Name some diseases which are spread through water.
Q.7. What are the sources of water?
Q.8. What makes the rainwater impure initially?
Q.9. Which establishments pollute the water of rivers and lakes?
Q.10. What are the ways by which the drinking water of tanks and rivers get polluted?
Q.11. Which kind of water do we get from Wells and hand pumps?
Q.12. How can we get clean and pure drinking water at home?
Q.13. Which gas is used to treat tap water?
Q.14. What processes are needed to make tap water safe for drinking?
Q.15. What is the source of drinking water in towns and cities?
Q.16. Why is drinking water chlorinated?
Q.17. Explain, how increased population leads to pollution of water?
Q.18. Explain steps by which we can avoid wastage of water.
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