Question

Question 14

Which of the following gases can be used for storage of fresh sample of an oil for a long time?

a) Carbon dioxide or oxygen
(b) Nitrogen or oxygen
(c) Carbon dioxide or helium
(d) Helium or nitrogen

Answer 1

Option (d) is correct.

Helium and nitrogen are unreactive gases. They will provide an inert atmosphere and prevent the oxidation of the oil.