classify the changes as physical/chemical in shortening of candle . ( give both physical and chemical changes)
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Answer:
IT IS A PHYSICAL CHANGE
Explanation:
The candle is a physical change because when a candle burns, the wax melts. The wax undergoes a change of state from a solid to a liquid when given heat, but no new substance is formed during the process.
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Physical changes:
While burning the candle the wax slowly melts as the candle gets smaller and this molten wax can be again solidified and will make it into a candle.which means that it is a reversible change.
Chemical changes:
The heat produced by the candle consumes both the oxygen in an atmosphere, as well as the fuels coming from the flame. This will then lead to carbon dioxide emissions produced by the flame. This is irreversible change
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