what is the difference between burning of candle and burning of coal
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burning of candle is both physical as well as chemical change, because in melting of gas no new substance is formed, so it is a physical reaction, while burning of thread produces co2, heat and light, so it is a chemical change.
on the other hand burning of coal produces co2 along with heat and light, so it is a chemical change as co2 is being formed as a new substance.
c + o2→co2
on the other hand burning of coal produces co2 along with heat and light, so it is a chemical change as co2 is being formed as a new substance.
c + o2→co2
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Answer:
Explanation:
burning of candle is both physical as well as chemical change, because in melting of gas no new substance is formed, so it is a physical reaction, while burning of thread produces co2, heat and light, so it is a chemical change.
on the other hand burning of coal produces co2 along with heat and light, so it is a chemical change as co2 is being formed as a new substance.
c + o2→co2
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