Question

(a) Anthracite is
(i) an inferior type of coal
(ii) a superior type of coal
(lii) a cheapest form of coal
(iv) none of the above
)
(b) Destructive distillation of coal yields
(i) coal tar
(ii) coal gas
(iii) coke
(iv) all of the above
(c) Lamp black is
(i) an amorphous form of carbon
(ii) a crystalline form of carbon
(iii) a pure form of carbon
(iv) a cluster of carbon atoms
(d) The process by which decayed plants
slowly convert into coal is called
(i) petrification
(ii) carbonisation
(iii) carbonification
(iv) fermentation
(e)
The purest form of the amorphous carbon
​

Answer 1

Answer:

1) 4

2) 2

3) 4

4) 2

5) Atmospheric carbon