which show's a chemical change? a. burning candles b. chewing a piece of bread c. burning a piece of paper d. melting a piece of chocolate
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Answer:
C. burning a piece of paper
Explanation:
This is because when we burn a paper it undergoes the combustion reaction and during the combustion state of the substance it changes from its solid state or liquid state to gaseous state. So the burning of paper is considered as a chemical change as the paper after burning changes into ashes and fumes of gases evolve.
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