Multiple choice

When chlorophyll is burnt, which of the following element is obtained?

  1. Fe

  2. Mg

  3. Fe and Mg

  4. Ca and Mn

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chlorophyll is a magnesium-porphyrin complex. Magnesium (Mg) is the central metal ion in the chlorophyll molecule, so it remains after the organic components are burnt.