How can we say that burning of candle is a chemical change but the glowing of bulb is a physical change??
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★. we can say that burning of candle is a chemical change as after burning the candle wax of the candle change into liquid was but, when bulb glows it produce energy but there is no chemical change.
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we can say that burning of candle is a chemical change as after burning the candle wax of the candle change into liquid was but, when bulb glows it produce energy but there is no chemical change.
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