The drug used in contraceptives is

A. Sulfadiazine

B. Mestranol

C. Methyl salicylate

D. Penicillin

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  1. Very fine suspended and colloidal impurities are removed from water by a process called
  2. Reverse osmosis is normally used for the
  3. Which of the following is a detergent?
  4. Lithophane is
  5. Higher viscosity index of a lubricating oil denotes
  6. __________ glass is used for the manufacture of optical glass.
  7. Stereospecific agents are exemplified by
  8. Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.
  9. High acid value of an oil or fat is an indication of
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  11. Linde process of gas liquefaction employs
  12. Sucrose is a
  13. Phenol is mainly used
  14. Which of the following is not a food additive?
  15. The most widely used coagulant for removing suspended impurities from water is
  16. Fermentation of molasses to produce ethyl alcohol is done at __________ °C.
  17. Glycerine can be obtained from
  18. Calcination of gypsum produces
  19. Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
  20. The major constituents of glass are
  21. Cooking liquor in case of sulphite process is
  22. Fire clay is __________ refractory material.
  23. Presence of H2S in raw water (to be chlorinated) results in the
  24. The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located…
  25. Which of the following processes is absent in glass manufacturing process?
  26. Oleum produces fumes of
  27. Ca(OH)2 is called
  28. Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
  29. Which of the following is a disaccharide?
  30. Nylon-66 is so named because the