Look at figure 6.1 which shows three situations
(a) a burning candle
(b) an extinguished candle
(c) melting wax.
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AcademicChemistryNCERTClass 6

The melting of wax in figure (c) is a reversible change because the molten wax can be solidified again.
raja
Updated on 10-Oct-2022 13:20:12

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