Animal charcoal differs from wood charcoal in that it
...Animal charcoal differs from wood charcoal in that it
has a dark colour
has a high carbon content
is a good absorbent
is crystalline.
is rich in phosphate content
Correct answer is E
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.
The constituent of air that acts as a diluent is ...
The species with no electron in the 3d-orbital is ...
What is the chemical symbol for Iron? ...
Which of the following are isomers? ...
Which of the following mixtures is an example of a colloid? ...
''The rate a reaction is proportional to the number of effective collisions occurring per se...
Which of the following statements is NOT true of carbon monoxide?...