Question

Name the non-metal which is used:
(a) to convert vegetable oil into vegetable ghee (solid fat).
(b) as a rocket fuel (in liquid form).
(c) to make electrodes of dry cells.
(d) to preserve food materials.
(e) in the vulcanisation of rubber.

Answer 1

(a) Hydrogen is the non-metal that is used to convert vegetable oil into vegetable ghee (solid fat).
(b) Hydrogen is the non-metal that is used as a rocket fuel (in liquid form).
(c) Carbon is the non-metal that is used to make electrodes of dry cells.
(d) Nitrogen is the non-metal that is used to preserve food materials.
(e) Sulphur is the non-metal that is used in the vulcanisation of rubber.