correct answer will be marrk as braineast answer .
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family30
It is reversible change . We can say it is a physical change . We can again make a candle from the wax formed by burning.
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jayaramduppatla
If we lighted a candle then we also blew the candle and also again we lighted the candle when we burn a wax it melts and become a solid and we also make as liquid by burning so these are reversible
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