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Raw materials used for producing __________ cement does not contain iron oxide.

A. Waterproof

B. Slag

C. White

D. Pozzolan

Correct Answer : C.


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  1. Nickel is not used as a catalyst in the __________ reaction.
  2. Comparing sulphate process with sulphite process, we find that __________ in the later.
  3. High acid value of an oil or fat is an indication of
  4. Terylene is
  5. Reaction of an alcohol with organic acid is called the __________ reaction.
  6. Mannheim furnace is used in the manufacture of
  7. Coke used for the production of calcium carbide should have
  8. Pick out the wrong statement.
  9. Commercial production of calcium carbide requires limestone and __________ as raw materials.
  10. Producer gas consists mainly of
  11. Penicillin, an antibiotic drug was discovered by
  12. Wet chlorine gas produced during electrolysis of brine is dehydrated by
  13. One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup…
  14. Chalcopyrite is the main ore of
  15. Chloral is used in the manufacture of
  16. Production of alcohol by fermentation of molasses is a/an __________ process.
  17. Which glass is usually used in optical work?
  18. Hydrogenation of vegetable oils is a/an __________ reaction.
  19. Which of the following has sodium bicarbonate as its main constituent?
  20. Which of the following is an yellow pigment?
  21. Hydrophilic group of a soap or detergent solution is
  22. __________ is produced by the dehydrogenation of ethyl benzene.
  23. Lindane is
  24. A 'unit process' is exemplified by the
  25. Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium…
  26. Cumene is the starting material for the production of
  27. Oil produced by solvent extraction
  28. Adipic acid is an intermediate in the manufacture of
  29. Commercially ethylene is produced from naphtha by
  30. Low temperature carbonisation of coal takes place at __________ °C.