Question

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 helium c) Helium or oxygen d) Nitrogen or oxygen

Answer 1

Answer:

helium and nitrogen gases are used

Explanation:

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Answer 2

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Nitrogen or helium can be used for storage of fresh sample of oil for long time. Helium and Nitrogen both the gases provide inert atmosphere.

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