Which of the following is the central metal in the naturally occurring chelate compound Chlorophyll?

Options :
  1. Iron
  2. Copper
  3. Calcium
  4. Magnesium
Answer and Explanation :-

Answer: Option 4

Explanation:

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The source of wisdom and power, of love and beauty, is within ourselves, but not within our egos. It is within our consciousness. Indeed, its presence provides us with a conscious contrast which enables us to speak of the ego as if it were something different and apart: it is the true Self whereas the ego is only an illusion of the mind.
-Paul Brunton The Notebooks of Paul Brunton