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Changes Around Us: Physical and Chemical — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceChanges Around Us: Physical and Chemical1 Mark
MCQ
Which of the following is rust?
  • A
    lime water
  • ✓
    iron oxide
  • C
    vinegar
  • D
    baking soda
✓

Answer

Correct option: B.
iron oxide
B

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