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Which one of the following contains coba...

Which one of the following contains cobalt?

A

Chlorophyll

B

Haemoglobin

C

Vitamin C

D

Vitamin `B_(12)`

Text Solution

Verified by Experts

The correct Answer is:
D
Clorophyll contains magnesium.
Haemoglobin contains iron.
Vitamin C does not contain any metal. It contains C, H and O.
Hence, (D) is correct answer.
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