Q. The metal present in vitamin $B_{12}$ is
A) Iron
B) Manganese
C) Cobalt
D) Mercury
Explanation
The correct answer is Option C: Cobalt.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.