Burning of a candle is both physical as well as a chemical change . Explain .
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Because Candle change its state from solid to liquid and that is a physical change and During burning the hydrocarbon present in it get converted into a carbon dioxide and water vapour and which is a chemical change .
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Burning a candle is both physical and a chemical change because when we burn a candle ,due to the heat it starts melting .So, the candle changes its physical feature.But we can revert it back by melting it. On the other hand it is also a chemical change because when we burn a candle a chemical reaction known as combustion occurs. During this combustion wax reacts with oxygen to form a colourless gas known as carbon dioxide. This reaction cannot be reverted back.
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