When a candle is lit the following changes are observed. Wax melts. Candle keeps burning. The size of the candle decreases. The molten wax solidifies Which of the changes can be reversed? Justify your answer

Wax melting is a reversible change. “The molten wax solidifies” is a reversible change. These two changes can be reversible to get back to the original state. So the above two changes are reversible changes.

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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 6

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When a candle is lit the following changes are observed. Wax melts. Candle keeps burning. The size of the candle decreases. - Science

Question

When a candle is lit the following changes are observed.

Wax melts.
Candle keeps burning.
The size of the candle decreases.
The molten wax solidifies
Which of the changes can be reversed? Justify your answer

Short/Brief Note

Solution

Wax melting is a reversible change.
“The molten wax solidifies” is a reversible change.

These two changes can be reversible to get back to the original state. So the above two changes are reversible changes.

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Classification of Change: Reversible and Irreversible Changes

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Q IX.Q VIII.Next

Chapter 3: Changes Around Us - Evaluation [Page 40]

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Samacheer Kalvi Science - Term 2 [English] Class 6 TN Board

Chapter 3 Changes Around Us
Evaluation | Q IX. | Page 40

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