Define the following: (a) Carbonization (b) Adsorption (c) Bone black
(a) Carbonization: The process of the slow conversion of vegetable matter into carbon-rich substances is called carbonization.
(b) Adsorption: Adsorption is the property due to which a substance absorbs gases, liquids and solids on its surface.
(c) Bone black: The Carbon content of bone charcoal is separated by treating the latter with hydrochloride acid, which dissolves the calcium phosphate. Carbon is then filtered out of the solution and in this form it is called bone black.