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
  2. Nitrogen is an essential component of
  3. Main use of hydrazine is
  4. Which of the following is used as a coagulant in treating turbid water?
  5. Absorption of SO3 in 97% H2SO4 is
  6. Pick out the endothermic reaction out of the following.
  7. Fusion of limestone and __________ produces high alumina cement.
  8. Average sulphur content in Indian pyrites is about __________ percent.
  9. Rotary kiln is not involved in the production of
  10. Viscose rayon is
  11. Heating of __________ to 120°C, produces plaster of paris.
  12. Grignard reagent is chemically known as
  13. Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces
  14. Enamels
  15. Fluorescent dyes are added in detergents to
  16. Phosphoric acid is prepared from
  17. At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the…
  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
  22. Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air…
  23. 10% oleum comprises of 10% free
  24. Salt is added in the kettle during soap manufacture to separate
  25. Main constituent of limestone is
  26. Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.
  27. The main component of Pyrex glass is
  28. Molecular weights of polymers are in the range of
  29. Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4…
  30. Alum is commercially produced from