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Monday, February 7, 2022

Class 3 | EVS Environment Science | Clean Water and Air Quiz - 2

1. Tiny drops of water in air form_____________

Ice
Rain
Vapours
Dew
2. There would no life whithout it ___________
Air
Water
both of above
None of above
3. Change of water into vapour is called?
Evaporation
Condensation
Melting
Boiling
4. Converting ice into water is known as?
Evaporation
Condensation
Melting
Boiling
5. Cooling down of water vapour is called?
Evaporation
Condensation
Melting
Boiling
6. Human body contains how much water?
0
0.5
0.7
1
7. __________ exists in 3 forms.
Water
Rain
Vapours
Dew
8. Which of the following substance is soluble?
Sugar
Iron Nails
Petrol
Sand
9. Which of the following substance is soluble?
Salt
Soap
both of above
None of above
10. Which of the following substance is insoluble?
Sand
Soap
Salt
Sugar






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