Cement setting under water employs a/an __________ process.

A. Hydration

B. Decomposition

C. Oxidation

D. Reduction

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

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  1. Fermentator temperature during production of alcohol from molasses is around __________ °C.
  2. Blue colour is imparted to glass by the addition of
  3. __________ of rubber decreases after its vulcanisation.
  4. Carbon disulphide is mainly used in the production of
  5. Liquefaction of gases cannot be done by
  6. Chloral is used in the manufacture of
  7. In the production of soda ash by Solvay process, the by-product is
  8. Which of the following is a detergent?
  9. Which of the following is an unsaturated fatty acid?
  10. Enamels
  11. Pick out the wrong statement.
  12. Shrinkage volume in cement setting does not depend upon the
  13. Which of the following processes can remove both temporary as well as permanent hardness of water?
  14. Solvent used for extraction of oil is
  15. __________ is an ore of lead.
  16. Chloramines are used in water treatment for
  17. The product obtained on mixing calcium oxide with water is called
  18. __________ is not a constituent of gun powder.
  19. Gun powder uses
  20. Brackish water which contains mostly dissolved salt, can be purified by the __________ process.
  21. The yield of tar from high temperature carbonisation of dry coal is about __________ percent.
  22. CO & H2 are the constituents of
  23. __________ paper is used in the manufacture of newsprint paper.
  24. Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic…
  25. Phthalic anhydride is used
  26. The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less…
  27. __________ is produced using molasses as the starting raw material.
  28. Bleaching action of bleaching powder is due to its __________ properties.
  29. Lurgi coal gasifier is a pressurised __________ bed reactor.
  30. Triple superphosphate is manufactured by reacting