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Physical and Chemical Changes — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7SciencePhysical and Chemical Changes1 Mark
MCQ
Consider The Following Statements And Choose The Correct Ones:
  • A
    Corrosion of metals causes great economic loss.
  • B
    Corrosion of metals can be prevented if the contact between metal and air is cutoff.
  • C
    A process of giving a thin coating of zinc on Iron sheets to preventing rusting called galvanization.
  • ✓
    All the above.
✓

Answer

Correct option: D.
All the above.
All the above.

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