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InterviewSolution
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burning of candle is which type of change? explain? |
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Answer» In a burning candle, there are both physical and chemical changes. The melting of the solid wax to form liquid wax and the evaporation of liquid wax to form wax vapour are physical changes. The burning of the wax vapour is a chemical change. Burning of candle is Physical change, since Solid wax is converted to liquid on heating and liquid to solid on cooling Burning of candel is an physical change Burns of candle is a physical change that is reversible change, because when the wax melt it again regain to wax. burning of candle is a chemical change because new products water vapour carbon dioxide are released and it is irreversible while melting of candle is a physical change |
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