Question

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

1 point

a) Carbon dioxide or oxygen.

b) Carbon dioxide or helium.

c) Nitrogen or oxygen.

d) Helium or nitrogen.

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Answer 1

a is the answer #*+)_#:))_

Answer 2

Answer:

C is right answer browse

Explanation:

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