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Transition and Inner Transition Elements — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryTransition and Inner Transition Elements1 Mark
MCQ
The metal cobalt is present in
  • A
    Vitamin-A
  • B
    Vitamin-B
  • ✓
    Vitamin-$B_{12}$
  • D
    Vitamin-$B_6$
✓

Answer

Correct option: C.
Vitamin-$B_{12}$
Vitamin-$B_{12}$

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