A.  Chlorophyll is responsible for the synthesis of carbohydrates in plants

B.  The compound formed in the addition of oxygen to haemoglobin is called oxyhaemoglobin

C.  Acetyl salicylic acid is known as aspirin

D.  The metal ion present in vitamin B12 is Mg2+

1
Correct Answer :
The metal ion present in vitamin B12 is Mg2+
Explanation :
No Explanation available for this question

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