Chemistry
The purest form of the amorphous carbon is
- wood charcoal
- sugar charcoal
- bone charcoal
- lamp black
Related Questions
Lamp black is
- an amorphous form of carbon
- a crystalline form of carbon
- a pure form of carbon
- a cluster of carbon atoms
The process by which decayed plants slowly convert into coal is called
- petrification
- carbonization
- carbonification
- fermentation
Fill in the blanks:
(a) …………… is formed when charcoal is burnt in a limited supply of air.
(b) Coal is a …………… form of carbon.
(c) …………… is the most inferior form of coal.
(d) Wood charcoal is a …………… conductor of heat and electricity.
(e) …………… is used in making black shoe polish.
Write True or False against the following statements.
(a) Lamp black is used in making shoe polish.
(b) Coke is obtained by destructive distillation of sugar.
(c) Activated charcoal is a good conductor of electricity.
(d) Wood charcoal is an important constituent of gun powder.
(e) Coal gas is used in the preparation of artificial fertilizers.