EASY
10th CBSE
IMPORTANT
Earn 100

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 Oxygen
(c)Carbon dioxide or Helium
(d)Helium or Nitrogen

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Important Questions on Chemical Reactions and Equations
EASY
10th CBSE
IMPORTANT

EASY
10th CBSE
IMPORTANT
