Whichofthefollowinggasescanbeusedforstorageoffreshsampleofanoilforalongtime?
A.Carbondioxideoroxygen
B.Nitrogenoroxygen
C.Carbondioxideorhelium
D.Heliumornitrogen
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Answered by
2
Answer:
D. Helium or Nitrogen
Explanation:
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Answered by
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Answer:
the gas which is used isD. Helium or nitrogen
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