10% oleum comprises of 10% free

A. SO2

B. H2SO3

C. SO3

D. H2SO4

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

You can do it
  1. __________ acid is the main constituent of cotton seed oil.
  2. Percentage of alcohol in beer may be around __________ percent.
  3. Esterification reaction produces
  4. In industrial nomenclature, alcohol means
  5. In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations…
  6. Styrene butadiene rubber (SBR) is
  7. Na2CO3 is called
  8. Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials.
  9. Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene).…
  10. Which of the following is not present in bagasse fibre?
  11. The major use of butadiene is
  12. Presence of H2S in raw water (to be chlorinated) results in the
  13. A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day…
  14. Fermentator temperature during production of alcohol from molasses is around __________ °C.
  15. Which of the following is a constituent of vinegar?
  16. Molecular weight of plastics ranges from
  17. Yellow glycerine is made into white, using
  18. White phosphorous is stored under water, because
  19. Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process?
  20. The product obtained on mixing calcium oxide with water is called
  21. Carborundum consists mainly of
  22. Chemical name of Grignard reagent is
  23. Sucrose content in cane sugar may be around __________ percent.
  24. Pick out the wrong statement.
  25. Fourdrinier machine is used in the manufacture of
  26. Raw materials used for producing __________ cement does not contain iron oxide.
  27. Kopper-Totzek coal gasifier
  28. Phosphoric acid is prepared from
  29. Bakelite is chemically known as
  30. Adipic acid is an intermediate in the manufacture of