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Question

Statement 1: Melting is a physical change as the melted wax can again be obtained as solid wax upon the removal of heat.
Statement 2: Burning of wax is a chemical change, as once the wax has been burnt, it cannot be obtained back in its original form.
Which of the following statement(s) is/are correct?


A

Statement 1 is correct

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B

Statement 2 is correct

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C

Both are incorrect

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D

Depends on burning temperature

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Solution

The correct options are
A

Statement 1 is correct


B

Statement 2 is correct


Physical change affects the phase or form of the elements involved but not their chemical composition.
Chemical change is the change of materials to other new materials with different chemical properties.


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