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
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.