by distillation of which bones is bone charcoal prepared?
Bone charcoal is prepared by the distillation of animal bones.
Give two uses for each of the following :
(a) coal
(b) coke
(c) wood charcoal
(d) sugar charcoal
(e) bone charcoal
(f) lamp black
There are three small bones in the middle ear.
(a) Name the three bones.
(b) Which of these bones is in touch with oval window ?
(c) Which of these bones is in touch with the ear drum ?
(d) Which bone is in touch with the other two bones ?