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Question

Which of the following is an example of reversible change?

A
Making a light mark on a paper with a pencil
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B
Molding clay to form a toy
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C
Cutting a piece of paper
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D
Ripening of fruits
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Solution

The correct option is B Molding clay to form a toy
- Molding clay to form a toy is a reversible change as the toy can be broken down, mixed with water to get clay again.
- Making a light mark on a piece of paper with a pencil is a reversible change as it can be erased.
- Cutting a piece of paper is an irreversible change because we cannot get the original paper after it is cut.
- Ripening of fruits is an irreversible change as once a fruit has ripened, it cannot go back to its unripe form.

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