Electro deposition of metals i.e. electroplating is never done on

A. Metals

B. Alloys

C. Refractories

D. Non-metals

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

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  1. Drinking (potable) water treatment does not involve
  2. Chemical formula of oleum is
  3. Carbon content of pitch (residue of coal tar distillation) is around __________ percent.
  4. Acetone is produced by catalytic dehydrogenation of
  5. Carboxymethyl cellulose (CMC) is added in detergents to
  6. Superior quality laboratory apparatus is made of the __________ glass having low thermal coefficient…
  7. Thermal pyrolysis of ethylene dichloride produces
  8. Which of the following contains least amount of N2?
  9. The process involved in converting rubber into a thin sheet or coating it on fabric is called
  10. Viscose rayon is
  11. The ideal pulp for the manufacture of paper should have high __________ content.
  12. Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction.
  13. Acrylonitrile is mainly used in the __________ industry.
  14. Which of the following is a detergent?
  15. Helium is produced on commercial scale from
  16. In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms…
  17. Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.
  18. Liquefaction of gases cannot be done by
  19. Saponification number of an oil or fat
  20. Unsaturated oils compared to saturated oils have
  21. Zeolite is used in the
  22. __________ is the major constituent of the Portland cement.
  23. Pick out the wrong statement.
  24. The purpose of adding Na2CO3 to water of low alkalinity is to
  25. In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst
  26. Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
  27. Which of the following is a detergent?
  28. For the hydrogenation of oils, __________ (i) __________ is commonly used as catalyst and __________…
  29. Hydrazine is used in water treatment for the removal of
  30. Neoprene is a