Low purity oxygen is used for

A. L.D. steel making

B. Cutting and welding of metals

C. Medicinal purposes

D. Chemical oxidation processes

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

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  2. Plasticisers are added to synthetic plastics to
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  15. __________ process is used for producing soda ash.
  16. Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?
  17. Use of hydrated lime in water treatment
  18. Ore concentration by froth floatation utilises the __________ of ore particles.
  19. Dense soda ash used in the manufacture of glass, is chemically represented by
  20. Starting raw material for the manufacture of alum is
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