Animal charcoal differs from wood charcoal in that it?

A. has a dark colour
B. has a high carbon content
C. is a good absorbent
D. is crystalline.
E. is rich in phosphate content

Correct Answer:

Option E – is rich in phosphate content

Explanation

Animal charcoal or bone black is the carbonaceous residue obtained by the dry distillation of bones. It contains only about 10% carbon, the remaining being calcium and magnesium phosphates (80%) and other inorganic material originally present in the bones.