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- 1. Multiple Choice
All changes takes place due to some______
Cause
Choice
- 2. Multiple Choice
During condensation and evaporation of water, the ________ of water changes.
Appearance
State
Movement
- 3. Multiple Choice
The_______ balloon changes when we blow the air.
Color
Shape
- 4. Multiple Choice
A chemical change is_______
Permanent
Temporary
None of the avove
Both of these
- 5. Multiple Choice
Melting of ice is an example of_______
Chemical change
Physical change
- 6. Multiple Choice
Rusting of iron is an ________ change.
Physical change
Chemical change
Desirable change
Reversible change
- 7. Multiple Choice
Rolling of chapathi and baking oh chapathi are the changes that,
Can be reversed
Cannot be reversed
Can be reversed and cannot be reversed
Cannot be reversed and can be reversed
- 8. Multiple Choice
Increase in the volume of substances on heating,the substance will show the change in,
Extension
Expansion
Exclusion
- 9. Multiple Choice
Changes that lead to the formation of new substances are called_________.
Physical change
Chemical change
- 10. Multiple Choice
Which of the following changes cannot be reversed?
Milk to paneer
Cold milk to hot milk
Yarn to knitted sweater
Wet clothes to dry clothes
- 11. Multiple Choice
Which of the following can be reversed?
Raw egg to boiled egg
Wet clothes to dry clothes
Bud of a flower
Cow dung to bio-gas
- 12. Multiple Choice
The process where the liquid changing into solid is called
Evaporation
Condensation
Heating
Boiling
- 13. Multiple Choice
A change which is permanent in nature....
Irreversible
Reversible
- 14. Multiple Choice
A bag of cement lying in the open gets wet due to rain during night time. The next day sun shines brightly. Do you think the changes that have occured in the cement can be reversed?
Yes
No
- 15. Multiple Choice
A change temporary in nature is,
Reversible
Irreversible
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