how can we say that burning of chemical burning of candle is a chemical change but the glowing of bulb is a physical change
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Also, during burning of candle new substances like carbon dioxide gas and water vapour are produced, hence it is a chemical change as well. Glowing of an electric bulb is a physical change since no new substance with different properties is formed.
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Answer:During burning of candle new substances like carbon dioxide gas and water vapour are produced, hence it is a chemical change. Glowing of an electric bulb is a physical change since no new substance with different properties is formed.
Explanation:
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