Which of following contains cobalt?
Correct answer: C. Vitamin B12
- A. Vitamin K
- B. Chlorophyll
- C. Vitamin B12
- D. Haemoglobin
Explanation
Vitamin B12 contains cobalt at the centre of its corrin ring, which is why it is also called cobalamin. Chlorophyll contains magnesium, while haemoglobin contains iron.
Last updated