Is burning of candle a physical or chemical change..??If both then how..?? and why..??
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its both because when the candle burns it melts and it's height gets shortened and it changes to a new substance when the evaporation of liquid wax to solid wax occurs
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The physical change occurs when the heat displaces the bonds that solidify the wax. Upon cooling, the wax is able to form the bond again .
in chemical change the heat (fire) consumes the oxygen and fuels the flame. This then leads to the production and emission of carbon dioxide from the flame.
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