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Physical and Chemical Changes — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7SciencePhysical and Chemical Changes1 Mark
MCQ
An example of chemical change is:
  • A
    Water condensing on the outside of your cold beverage
  • B
    Bending a wire
  • C
    Slicing bread
  • ✓
    burning a candle
✓

Answer

Correct option: D.
burning a candle
D burning a candle
Explanation:
The burning of the candle is permanent because once it is burnt it cannot be converted into the candle. A new product is also formed with a composition different from the candle. Hence it is a chemical change. Whereas the rest of the options represent the physical change.

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