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T2 CH 3 Changes Around Us — Science STD 7 — Question

Tamilnadu BoardEnglish MediumSTD 7ScienceT2 CH 3 Changes Around Us1 Mark
MCQ
Rusting of iron is ____________
  • A
    an irreversible chemical change
  • B
    a reversible chemical change
  • ✓
    an irreversible chemical change
  • D
    a reversible physical change
✓

Answer

Correct option: C.
an irreversible chemical change
an irreversible chemical change

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