which of the following gases can be used for storage of fresh sample of oil for a long time . Carbon dioxide or oxygen , nitrogen and oxygen , carbon dioxide and helium and helium or nitrogen
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Thus, gases such as helium or nitrogen prevent the contact of air (or atmospheric oxygen) with oil. In this way, we can prevent oil from becoming rancid for a long period of time. Helium or nitrogen gases can be used for storage of a fresh sample of an oil for a long time.
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