7. The presence of Cobalt in Vitamin B12 was established for the first time by A.Hydrolysis test B.Spectroscopy C.Borax-Bead test D.Sodium Nitroprusside test
Answer: Option B Solution: Atomic absorption spectroscopy is an analytical chemistry technique used for determining concentration of particular metal element and is widely used in pharmaceutics. It was used for the determination of cobalt in Vitamin B12.
