Write ‘true’ or ‘false’ against the following statements:
(a) Charcoal is a good adsorbent.
(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 ferilizers.
