which is the following gases can be used for storage of fresh sample of an oil for long time?
a) carbon dioxide
b) oxygen
c) hydrogen
d) tedium & trogon
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Answer: hilium and nitrogen
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Answer:
Helium, as well as nitrogen, can be used for storage of a fresh sample of an oil for a long time because they abstain the oil from rancidity. The contact of air and oil is prevented by using nitrogen or helium as blanketing gas
Explanation:
we also can take hydroges because of non availability of option
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