Plaster of Paris is

A. CaSO4. ½H2O

B. Used for setting of broken bones

C. Both (A) and (B)

D. Same as gypsum

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

You can do it
  1. Main product in calcium carbide-water reaction is
  2. Calcination of limestone is not done in a __________ kiln for producing lime.
  3. In Kraft process of paper manufacture, white cooking liquor consists of caustic soda
  4. Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.
  5. __________ acid is an unsaturated fatty acid.
  6. Dichloro diphenyl __________ is the full form of DDT (an insecticide).
  7. Oil is a/an
  8. Very dilute solutions are generally used in fermentation reactions for which the optimum temperature…
  9. Na2CO3 is called
  10. Pasteurisation of milk means
  11. The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by
  12. Blue colour is imparted to glass by the addition of
  13. Gypsum is chemically
  14. The biochemical treatment applied to sewage effluents is a process of
  15. The most economical pulp for the production of newsprint would be the __________ pulp.
  16. In sulphate pulp manufacture, the pressure and temperature in the digestor is
  17. Pick out the wrong statement.
  18. Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
  19. Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.
  20. Most widely and commonly used coagulant for the removal of suspended impurities in water is
  21. Which of the following contains least amount of N2?
  22. Carbon disulphide is mainly used in the production of
  23. Catalyst used during the manufacture of 'Vanaspati Ghee' is
  24. Flash point of most vegetable oils is about __________ °C.
  25. Chemical name of 'alum' is
  26. CaO is called
  27. Drinking (potable) water treatment does not involve
  28. Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result…
  29. Pick out the exothermic reaction out of the following:
  30. Finely ground calcium aluminate & silicate is a/an