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Cumene (isopropyl benzene) is made by

A. Oxidation of naphthalene

B. Propylene alkylation of benzene

C. Polymerisation of a mixture of benzene & propylene

D. None of these

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  1. Parathion and Malathion are
  2. Multistage catalytic converter is not used in the
  3. Chemical formula of oleum is
  4. Naphthols are derivates of
  5. Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of
  6. Main use of hydrazine is
  7. The drug used in contraceptives is
  8. Fermentation of molasses to produce ethyl alcohol is done at __________ °C.
  9. The terminology 'BTX' used in coal tar distillation industry refers to
  10. Brackish water which contains mostly dissolved salt, can be purified by the __________ process.
  11. Which of the following is an organometallic compound?
  12. Pick out the wrong statement.
  13. Cumene (isopropyl benzene) is made by
  14. Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
  15. Which of the following impurities in feed water for high pressure boiler is the most detrimental?
  16. __________ is used as a flux in the smelting of copper ore like chalcopyrite.
  17. Ethyl alcohol cannot be produced
  18. Electro deposition of metals i.e. electroplating is never done on
  19. Hydrochloric acid is also known as
  20. Frasch process is for
  21. Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene).…
  22. Calcination of limestone is not done in a __________ kiln for producing lime.
  23. Liquor poisoning generally occurs due to the presence of __________ in it.
  24. The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is
  25. __________ acid is the main constituent of cotton seed oil.
  26. Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.
  27. Which of the following is an yellow pigment?
  28. __________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.
  29. Saponification number of an oil or fat
  30. High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to