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Physical and Chemical Changes — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7SciencePhysical and Chemical Changes1 Mark
MCQ
Which of these will not affect the rusting of iron?
  • A
    Oxygen gas
  • B
    Moisture
  • C
    Salts
  • ✓
    Hydrogen gas
✓

Answer

Correct option: D.
Hydrogen gas
D

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