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- 1. Multiple Choice
which of the following is a reversible change.
Melting of a chocolate
Curdling of milk
Corrosion of metal
Tearing of paper
- 2. Multiple Choice
Which of the following is not an irreversible change?
Frying food products
Boiling vegetables
Melting of wax
Baking biscuits
- 3. Multiple Choice
What is an example of a reversible change?
Freezing water
Burning wood
Rotting fruit
Exploding fireworks
- 4. Multiple Choice
Which of the following is a physical change?
Burning coal
Grinding coffee beans
Rusting of iron
Decomposing food
- 5. Multiple Choice
What is an example of a chemical change?
Boiling water
Crushing a can
Baking a cake
Freezing ice
- 6. Multiple Choice
What is an example of a physical change?
Boiling water
Crushing a can
Grinding coffee beans
Freezing ice
- 7. Multiple Choice
What is an example of a chemical change?
Boiling water
Crushing a can
Baking a cake
Freezing ice
- 8. Fill in the Blank
Digestion of food is an example of ___________.
- 9. Multiple Choice
All the changes in nature are reversible
TRUE
FALSE
- 10. Multiple Choice
A reversible change is a permanent change
TRUE
FALSE
- 11. Multiple Choice
substances increase in size of heating
TRUE
FALSE
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