Match List-I with List-II and select the correct answer using the code given below the lists : List-I (molecules) List-II (elements present) A. Vitamin B₁₂ 1. Magnesium B. Haemoglobin 2. Cobalt C. Chlorophyll 3. Copper D. Chalcopyrite 4. Iron Code : | | A | B | C | D | | --- | --- | --- | --- | --- | |