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Litharge is

A. Lead oxide

B. Zinc oxide

C. Zinc sulphide

D. Cellulosic photographic material

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  1. Styrene (a monomer for the production of polystyrene) is commercially produced by
  2. Catalyst used in the hydrogenation of oil is
  3. Permanent hardness of water can be removed by
  4. Stereospecific agents are exemplified by
  5. Permanent hardness of water can be removed by
  6. Reverse osmosis is normally used for the
  7. Which of the following is not required in the manufacture of soda ash by Solvay process?
  8. The purpose of adding Na2CO3 to water of low alkalinity is to
  9. The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less…
  10. Shaving soaps are
  11. Which of the following is not a raw material used for the manufacture of ordinary glass?
  12. Calcination of limestone is not done in a __________ kiln for producing lime.
  13. Cumene is the starting material for the production of
  14. Bitterns is a/an
  15. Low purity oxygen is used for
  16. Most widely and commonly used coagulant for the removal of suspended impurities in water is
  17. Widely used method for the conditioning of boiler feed water is the
  18. Anion exchanger is regenerated usually with
  19. Esterification reaction
  20. Hydrochloric acid is also known as
  21. Neoprene is a
  22. Which of the following is an organometallic compound?
  23. Molecular weight of plastics ranges from
  24. Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively
  25. Chloramines are used in water treatment for
  26. The process used for the manufacture of ethyl alcohol from molasses is
  27. Coke oven gas consists mainly of
  28. Cation exchanger is regenerated usually with
  29. The biochemical treatment applied to sewage effluents is a process of
  30. Which of the following is not a pyrite ore?