Observe a burning candle. You see that the wax melts as well as the black vapour are produced. Justify the phenomenon as a physical and chemical change both occurring at the same time. Also, indicate where a physical and a chemical change occurs.
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A change which is irreversible and the properties of the matter change and form new substance. When a candleburns both physical and chemical changes occur. When the candle burns , the wax begins to melt and changes it shape. ... Hence , it is reversiblechange since the properties of wax do not change
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when candle is burned both physical and chemical changes occur . when the candle burns the wax begins melt and changes it shape . this melted wax can be again moulded to form a new candle hence its physical change next this wax vapor near to flame burn and gives new substances like carbon soot and etc
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