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Fusion of limestone and __________ produces high alumina cement.

A. Sand

B. Bauxite

C. Quicklime

D. Calcite

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  1. Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.
  2. For the hydrogenation of oils, __________ (i) __________ is commonly used as catalyst and __________…
  3. Cation exchanger is regenerated usually with
  4. Kaolin is a/an
  5. Terylene is
  6. Hydrocyanic acid (HCN) is used as an insecticide for
  7. Styrene is produced from ethyl benzene by the process of
  8. H2S is scrubbed from refinery gases by absorption using
  9. Aryl benzene sulphonate (ABS) is a
  10. Fourdrinier machine is used in the manufacture of
  11. Which of the following is a bleaching agent added in the detergents to facilitate removal of stains…
  12. Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo.…
  13. 'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of
  14. Which is the most suitable dye for synthetic fibres?
  15. Which is a high grade pulp?
  16. SO2 is bubbled through hot sugar cane juice to
  17. Sucrose is a
  18. Chemical name of soda ash is
  19. Economics of 'Solvay Process' depends upon the efficiency of
  20. Zeolite used in water softening process (cation exchange) is regenerated by washing with
  21. Type of glass used in optical work is the __________ glass.
  22. Prussian blue is chemically represented by
  23. Helium is produced on commercial scale from
  24. Hydrazine is largely used
  25. __________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace.
  26. Major component of flint glass is
  27. A mixture of chlorine & sodium bromide acts as a/an
  28. CO & H2 are the constituents of
  29. Hydrochloric acid is also known as
  30. Sodium carbonate (soda ash) is not used in the manufacture of