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4. d and f- block elements — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry4. d and f- block elements1 Mark
MCQ
The substance used in cancer therapy is
  • A
    $Rn$
  • B
    $Ni$
  • C
    $Fe$
  • ✓
    $Co$
✓

Answer

Correct option: D.
$Co$
d
(d)Cobalt is used in cancer therapy.

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