Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

A. As a lubricant

B. As a rust preventive

C. In hard water for cleaning of cloth

D. As a foam depressant in distillation column

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Vanillin is a type of
  2. __________ acid is an unsaturated fatty acid.
  3. __________ paper is used in the manufacture of newsprint paper.
  4. Production of one ton of cement requires about __________ tons of limestone.
  5. Starting material for the production of styrene butadiene rubber (SBR) is
  6. Reaction of an alcohol with organic acid is called the __________ reaction.
  7. Function of sodium thiosulphate (hypo) in development of photographic film/plate is to
  8. Liquefaction of gases cannot be done by
  9. The main use of HCl is in the
  10. Gypsum is chemically
  11. During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond…
  12. Catalytic oxidation of naphthalene produces
  13. Nylon-6 is manufactured from
  14. Esterification reaction produces
  15. Inversion of sucrose produces
  16. Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of
  17. Pick out the wrong statement pertaining to nitric acid.
  18. The main use of activated carbon in water treatment is to control
  19. Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?
  20. Fermentator temperature during production of alcohol from molasses is around __________ °C.
  21. Cumene (isopropyl benzene) is made by
  22. Fat dispersed in water is exemplified by
  23. Pick out the true statement pertaining to water treatment.
  24. Which of the following is used as a coagulant in water treatment?
  25. __________ glass is used for the manufacture of optical glass.
  26. Bleaching action of bleaching powder is due to its __________ properties.
  27. Helium is produced on commercial scale from
  28. The terminology 'BTX' used in coal tar distillation industry refers to
  29. Alcohol percentage in molasses may be around
  30. Nickel is not used as a catalyst in the __________ reaction.