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  • Which of the following is a physical change? (a) Rusting of iron (b) Combustion of magnesium ribbon (c) Burning of candle (d) Melting of wax

Which of the following is a physical change?

(a)     Rusting of iron

(b)     Combustion of magnesium ribbon

(c)     Burning of candle

(d)     Melting of wax

Answers (2)

Melting of wax is a physical change.

Rusting of iron, combustion and burning of the candle are chemical changes where produced cannot be converted into reactants.

Hence option (D) is correct. 

Posted by

Sumit Saini

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Rusing iron

Posted by

Jain

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