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Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils

A. Cause cholesterol build up and blood clotting

B. Are prone to rancid oxidation

C. Always contain some amount of nickel (as their complete removal is very difficult)

D. Have affinity to retain harmful sulphur compounds

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  1. The most widely used coagulant for removing suspended impurities from water is
  2. A mixture of chlorine & sodium bromide acts as a/an
  3. Which is the most efficient absorbent for SO3 out of the following?
  4. Which is the main reducing agent during production of iron from iron ore in a blast furnace?
  5. Glycerine is recovered from lye by
  6. Nitric acid is not used in the manufacture of
  7. Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain…
  8. Use of hydrated lime in water treatment
  9. Electro deposition of metals i.e. electroplating is never done on
  10. Oils and fats are converted to soap in a process called
  11. In sulphate pulp manufacture, the pressure and temperature in the digestor is
  12. All enzymes are made of
  13. Sea water contains about __________ ppm of bromine.
  14. Air used in aerobic fermentation must be sterilized, otherwise the
  15. Hydrazine (N2H4) is used mainly as a/an
  16. The type of high refractive index glass used in optical instruments is __________ glass.
  17. Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.
  18. Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.
  19. Aryl benzene sulphonate (ABS) is a
  20. Oxidation of SO2 to SO3 is favoured by
  21. Bromine is used in the preparation of
  22. Good quality of edible salt is obtained from brine by the process of
  23. Baking soda is chemically represented by
  24. Fumigant insecticides
  25. High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to
  26. Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled…
  27. Ca(OH)2 is called
  28. Glass is
  29. __________ process is used for the manufacture of sodium carbonate by ammonia soda process.
  30. Which of the following processes can remove both temporary as well as permanent hardness of water?