Glycerine is not used in the

A. Manufacture of explosive

B. Conditioning and humidification of tobacco

C. Manufacture of pharmaceuticals

D. None of these

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  1. Most widely and commonly used coagulant for the removal of suspended impurities in water is
  2. Pick out the endothermic reaction out of the following.
  3. Bleaching action of bleaching powder is due to its __________ properties.
  4. Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from…
  5. __________ are used as corrosion inhibitor for iron & steel in aqueous solutions.
  6. Cellulose percentage in bamboo fibre is about
  7. Which of the following is an yellow pigment?
  8. A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day…
  9. Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.
  10. Free alkali in a toilet soap is __________ that in a laundry shop.
  11. At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the…
  12. Permanent hardness of water is due to the presence of calcium & magnesium
  13. Sodium chloride content in sea water is about __________ gms/litre.
  14. The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less…
  15. Which form of sulphur is the most stable at room temperature?
  16. Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action…
  17. Catalytic oxidation-dehydrogenation of methyl alcohol produces
  18. Which of the following is not required in the manufacture of soda ash by Solvay process?
  19. Oil produced by solvent extraction
  20. Diaphragm electrolytic cell as compared to mercury electrolytic cell
  21. Sizing material is incorporated in paper to
  22. Which of the following impurities in feed water for high pressure boiler is the most detrimental?
  23. High acid value of an oil or fat is an indication of
  24. Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is…
  25. __________ of quicklime produces slaked lime.
  26. Bisphenol A is produced by the condensation of acetone with
  27. Alkylbenzene sulfonate (ABS) is a
  28. Enzymes are
  29. Salt is added in the kettle during soap manufacture to separate
  30. Esterification reaction