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प्रश्न
Look at the figure which shows three situations.
Which of these shows a reversible change and why?
पर्याय
A burning candle

An extinguished candle

Melting wax

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उत्तर
Melting wax

Explanation:
Melted wax can be changed into its solid or viscous state on cooling. Therefore, it is a reversible change.
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संबंधित प्रश्न
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While lighting a candle, Paheli observed the following changes.
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- Size of the candle was reducing
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Of the above, the changes that can be reversed are
Find the odd one out. Give reason for your choice.
