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Physical and Chemical Changes — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7SciencePhysical and Chemical Changes1 Mark
MCQ
In Which Of The Following Sentences Is Incorrect?
  • ✓
    Cutting of log of wood into pieces is a chemical change.
  • B
    Iron pipes coated with zinc do not get rusted easily.
  • C
    Condensation of steam is not a chemical change
  • D
    The chemical name of baking soda is sodium hydrogen carbonate.
✓

Answer

Correct option: A.
Cutting of log of wood into pieces is a chemical change.
Cutting of log of wood into pieces is a physical change.

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