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CaSO4 . ½H2O is known as

A. Blue vitriol

B. Plaster of Paris

C. Gypsum

D. Zeolite

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  1. Saponification number of an oil or fat
  2. Carboxymethyl cellulose (CMC) is added in detergents to
  3. Percentage of glycerine present in the spent lye obtained during soap manufacture is about
  4. Bitterns is a/an
  5. Litharge is
  6. Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving)…
  7. Pick out the false statement pertaining to water treatment.
  8. A 'unit process' is exemplified by the
  9. __________ is an ore of lead.
  10. Silicone is a/an
  11. Blue vitriol is chemically
  12. Soap cannot be used with hard water, because
  13. Production of alcohol by fermentation of molasses is a/an __________ process.
  14. Sucrose content in cane sugar may be around __________ percent.
  15. Which of the following has sodium bicarbonate as its main constituent?
  16. Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
  17. Presence of carbonaceous matter in the sewage
  18. Glycerine can be obtained from
  19. Which of the following is a detergent?
  20. The most widely used coagulant for removing suspended impurities from water is
  21. Na2CO3.10H2O is called
  22. Fermentator temperature during production of alcohol from molasses is around __________ °C.
  23. During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to
  24. Multistage catalytic converter is not used in the
  25. The process used for the manufacture of ethyl alcohol from molasses is
  26. Raw materials used for producing __________ cement does not contain iron oxide.
  27. Function of sodium thiosulphate (hypo) in development of photographic film/plate is to
  28. __________ of quicklime produces slaked lime.
  29. Paper pulp produced by Kraft/sulphate process is
  30. A good quality coal should have