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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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