Question

22. 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.​

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.

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