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प्रश्न
Which of the following is a physical change?
विकल्प
Rusting of iron
Combustion of magnesium ribbon
Burning of candle
Melting of wax
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उत्तर
Melting of wax
Explanation:
Melting of wax is a physical change. All other changes are chemical changes.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Rusting of almirah
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Which of the following are physical changes and which are chemical changes ?
Rusting of iron
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Burning of paper
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