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Separation of fresh water from sea water can be done by the __________ operation.

A. Osmosis

B. Reverse osmosis

C. Absorption

D. Adsorption

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  1. Which of the following is a bleaching agent added in the detergents to facilitate removal of stains…
  2. Which of the following is used as a binding material in soap to improve soap texture?
  3. Tall oil obtained as a by-product from the black liquor recovery is
  4. How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical…
  5. Starting material for the production of styrene butadiene rubber (SBR) is
  6. The yield of tar from high temperature carbonisation of dry coal is about __________ percent.
  7. __________ is used as a catalyst in fat splitting.
  8. Main constituents of Portland cement are calcium aluminate and
  9. Calcination of gypsum produces
  10. Deacon's method is used for the manufacture of
  11. Coal tar is used as a
  12. High purity nitrogen is used in
  13. The most widely used coagulant for removing suspended impurities from water is
  14. Frasch process is for
  15. Fluorescent dyes are added in detergents to
  16. Zeolite is a/an
  17. Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.
  18. Polymethyl methacrylate (PMMA) is known as
  19. Which of the following, when pyrolysed, produces Perchloroethylene?
  20. More than 100 percent of __________ is present in oleum.
  21. Highly porous refractory bricks are
  22. Which of the following processes can remove both temporary as well as permanent hardness of water?
  23. __________ is produced using Polycondensation reaction.
  24. The difference between saponification value and acid value is
  25. Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have
  26. In sulphate pulp manufacture, the pressure and temperature in the digestor is
  27. Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt…
  28. __________ is the major constituent of the Portland cement.
  29. Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo.…
  30. BHC (Benzene hexachloride) is made by the chlorination of benzene