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Unit - 4.1 Atomic Structure — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYUnit - 4.1 Atomic Structure1 Mark
MCQ
Ferrous and Ferric ions have valency :
  • A
    +1 and +2 respectively
  • ✓
    +2 and +3 respectively
  • C
    -2 and -3 respectively
  • D
    +1 and +3 respectively
✓

Answer

Correct option: B.
+2 and +3 respectively
B

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