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Physical and Chemical Changes — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7SciencePhysical and Chemical Changes1 Mark
MCQ
Which one of the following is a physical change?
  • A
    Rusting of iron.
  • B
    Combustion of magnesium ribbon.
  • C
    Burning of candle.
  • ✓
    Melting of wax.
✓

Answer

Correct option: D.
Melting of wax.
Rusting, combustion and burning involve chemical changes.
Melting of wax is a physical change.

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