Na2CO3 is called

A. Washing soda

B. Soda ash

C. Plaster of Paris

D. Calcite

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  1. Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury…
  2. Which of the following is not produced on commercial scale from sea water?
  3. Nickel is not used as a catalyst in the
  4. Proximate analysis of coal determines its __________ content.
  5. Which of the following is not produced commercially from sea water?
  6. The enzyme which converts starch into the disaccharides maltose is
  7. Glycerine is a by-product of the __________ industry.
  8. Finely ground calcium aluminate & silicate is a/an
  9. Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.
  10. Alum is commercially produced from
  11. Varnish does not contain
  12. The chamber process is
  13. Which of the following is the main constituent of the mother liquor produced in salt industry?
  14. Penicillin is separated from fermented broth by
  15. Which of the following is a disaccharide?
  16. Sulphuric acid saturated with SO3 is called
  17. H2S is scrubbed from refinery gases by absorption using
  18. In Kraft process of paper manufacture, white cooking liquor consists of caustic soda
  19. Oils and fats are converted to soap in a process called
  20. Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action…
  21. One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup…
  22. Fats as compared to oils have
  23. Thermosetting plastic materials
  24. Pick out the exothermic reaction out of the following:
  25. Varnish does not contain
  26. Hydrocyanic acid (HCN) is used as an insecticide for
  27. Which of the following contains least amount of N2?
  28. Basic oxide is absent in __________ glass.
  29. Grignard reagent is chemically known as
  30. Which is the main reducing agent during production of iron from iron ore in a blast furnace?