Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

A. Emulsification

B. Dispersion

C. Precipitation

D. Wetting

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  1. What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in…
  2. Bio-degradable detergents
  3. Sulphur removal by heating of pyrite ore in presence of air is called its
  4. Raw material used in alcohol distilleries in India is
  5. Gun powder, which is an explosive comprises of charcoal, sulphur and
  6. Hydrogenation of vegetable oils is a/an __________ reaction.
  7. Styrene-butadiene-rubber (SBR) as compared to natural rubber has
  8. Which allotrope of sulphur is insoluble in carbon disulphide?
  9. Reverse osmosis is normally used for the
  10. Pick out the wrong statement pertaining to nitric acid.
  11. __________ paper is used in the manufacture of newsprint paper.
  12. __________ glass is used for the manufacture of optical glass.
  13. Temporary hardness of water can be removed by
  14. Very fine suspended and colloidal impurities are removed from water by a process called
  15. Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium…
  16. Epoxy resin
  17. Economics of 'Solvay Process' depends upon the efficiency of
  18. Hydrazine (N2H4) is used mainly as a/an
  19. Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled…
  20. Which is the main reducing agent during production of iron from iron ore in a blast furnace?
  21. 'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of
  22. The biochemical treatment applied to sewage effluents is a process of
  23. Nylon-6 is manufactured from
  24. Paper pulp produced by Kraft/sulphate process is
  25. Styrene butadiene rubber (SBR) is
  26. Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving)…
  27. Neoprene is a
  28. Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.
  29. Which is the most suitable dye for synthetic fibres?
  30. __________ is an ore concentrating metallurgical process involving a chemical change.