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- 1. Multiple Choice
Which of the following changes can be reversed?
Raw egg to boiled egg
Wet clothes to dry clothes
Bud to flower
Cow dung to biogas
- 2. Open Ended
On heating metal rim
- 3. Fill in the Blank
Rusting of iron is an example of
- 4. Multiple Choice
what it shows ??
Melting of solid wax
liquid wax changes into vapors
Wax vapour bums into flame
All of these
- 5. Multiple Choice
Which is a way to make a change happen?
Heating a substance
Cooling a substance
Mixing a substance with another substance
All of these
- 6. Multiple Choice
Which of the following is not a man-made change?
Change of day and night
Burning of fuels
writing
reading
- 7. Fill in the Blank
Which of the following is a chemical change?
- 8. Fill in the Blank
. If the removal of the cause of change leads to regain the original situation, then the change is known as
- 9. Open Ended
Burning of wood in a chulha is a tan change.
- 10. Fill in the Blank
Heat is a form of …………. .
- Answer choicesTagsAnswer choicesTags