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How can we saw that burning …

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How can we saw that burning of candle is chemical change but the glowing of bulb is a physical change ?
  • 2 answers

Roky Sk 7 years, 5 months ago

We can say burning of candle is chemical because burning of candle form new things melted wax ,ash and some gases .But glowing of bulb is a physical change because no new substances form

Prakhar Pratyush 7 years, 5 months ago

Due to reflection....
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