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Oxygen is produced by fractionation of air using __________ process.

A. Linde's

B. Claude's

C. Either (A) or (B)

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Prussian blue is chemically represented by
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  18. Blue colour is imparted to glass by the addition of
  19. __________ process is used for the commercial production of nitric acid by the catalytic oxidation of…
  20. Commercial production of Vanaspati is done by __________ of edible vegetable oils.
  21. Poly Tetrafluoroethylene (P.T.F.E.) is known as
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  23. 10% oleum comprises of 10% free
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