Which of the given statements is correct?

Statement 1: Melting of wax is a physical change as the molten wax can be solidified on cooling.

Statement 2: Burning of wax is a chemical change, as once the wax has been burnt, it cannot be brought back to its original form.

Statement 1 is wrong and statement 2 is correct.

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Statement 1 is correct and statement 2 is wrong.

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Both the statements 1 and 2 are correct.

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Both the statements 1 and 2 are wrong.

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Solution

The correct option is C
Both the statements 1 and 2 are correct.

Melting of wax involves only change in state (physical appearance) which can be reversed and no new substance is formed. Hence, it is a physical change.
When wax is burned, it undergoes chemical reaction with oxygen in air and produces new substances with new chemical compositions. Hence, it is a chemical change.

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Similar questions

Statement I: Melting is a physical change as the melted wax can again be obtained as solid wax upon cooling
Statement II: 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 option is correct?

Q. Statement 1: Melting of candle wax is a physical change and the melted wax can again be obtained as solid wax upon the removal of heat.

Statement 2: Burning of candle wick is a chemical change and the wick cannot be obtained back in its original form.

Based on the given statements, choose the right option.

We observe that some portion of wax (in a candle) melts and another portion of it is used in producing heat and light.
Statement A: The melting of wax is a physical change
Statement B: The burning of wax for the production of heat and light is a chemical change.

We observe that some portion of wax (in candle) melts and other portion of it is used in producing heat and light.
Statement A: The melting of wax is a physical change
Statement B: The burning of wax for the production of heat and light is a chemical change.
State which of the statement(s) is/are true.

Q. Statement I: The melting of wax is a physical change.
Statement II: The burning of wick for the production of heat and light is a chemical change.

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Which of the given statements is correct? Statement 1: Melting of wax is a physical change as the molten wax can be solidified on cooling. Statement 2: Burning of wax is a chemical change, as once the wax has been burnt, it cannot be brought back to its original form.

Which of the given statements is correct?

Statement 1: Melting of wax is a physical change as the molten wax can be solidified on cooling.

Statement 2: Burning of wax is a chemical change, as once the wax has been burnt, it cannot be brought back to its original form.