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The process involved in converting rubber into a thin sheet or coating it on fabric is called

A. Extrusion

B. Mastication

C. Calendaring

D. Vulcanisation

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  1. Catalyst used in the oxidation of benzene to produce Maleic anhydride is
  2. Phenol is mainly used
  3. The catalyst used in shift converter is
  4. In Kraft process of paper manufacture, white cooking liquor consists of caustic soda
  5. The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
  6. The manufacture of Kraft pulp is done by a/an __________ process.
  7. Chrome tanning and vegetable tanning are done for
  8. Alcohol is produced by the
  9. Coke oven gas consists mainly of
  10. Graphite is a/an
  11. Unsaturated oils compared to saturated oils have
  12. Heating of __________ to 120°C, produces plaster of paris.
  13. An oil is converted into fat by its
  14. Mannheim furnace is used in the manufacture of
  15. Which is the main reducing agent during production of iron from iron ore in a blast furnace?
  16. Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove
  17. Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled…
  18. Very fine suspended and colloidal impurities are removed from water by a process called
  19. Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart…
  20. Shrinkage volume in cement setting does not depend upon the
  21. 'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of
  22. Polythene is a/an __________ polymerisation product.
  23. DDT stands for
  24. Commercial production of Vanaspati is done by __________ of edible vegetable oils.
  25. Sodium carbonate (soda ash) is not used in the manufacture of
  26. Chloral is used in the manufacture of
  27. Liquefaction of gases cannot be done by
  28. Frasch process is for
  29. Which of the following is a constituent of coffee?
  30. Fluorescent dyes are added in detergents to