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.

True

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False

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Only Statement A is true.

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Only Statement B is true.

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Solution

The correct option is A
True

When we burn a candle, wax melts and hence the physical state of wax changes from solid to liquid. As the wax burns to produce flame, it combines with the atmospheric oxygen and changes to carbon dioxide, heat and light. Hence, both the statements are correct.

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Similar questions

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.

Q. Assertion :The burning of a candle is both a physical and a chemical change. Reason: Burning of candle melts the wax and hence physical state of wax has changed from solid to liquid. Again the wax combines with the atmosphere oxygen and changes to carbon dioxide, heat and light.

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.

Q. 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 statements is correct?

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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.

The correct option is A True When we burn a candle, wax melts and hence the physical state of wax changes from solid to liquid. As the wax burns to produce flame, it combines with the atmospheric oxygen and changes to carbon dioxide, heat and light. Hence, both the statements are correct.

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.

The correct option is A
True

When we burn a candle, wax melts and hence the physical state of wax changes from solid to liquid. As the wax burns to produce flame, it combines with the atmospheric oxygen and changes to carbon dioxide, heat and light. Hence, both the statements are correct.