CaCl(OCl) is the chemical formula of

A. Hypo

B. Bleaching powder

C. Plaster of Paris

D. Aqua regia

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  1. Acetone is produced by catalytic dehydrogenation of
  2. Permanent hardness of water can be removed by
  3. Pick out the wrong statement pertaining to nitric acid.
  4. Direct conversion of chemical energy into electrical energy is done in a
  5. Yellow glycerine is made into white, using
  6. Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt…
  7. Low temperature carbonisation of coal takes place at __________ °C.
  8. Laboratory glass wares which reacts with hydrofluoric acid, are made of the __________ glass.
  9. Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers…
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  11. Carbon disulphide is mainly used in the production of
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  13. Solvent used for extraction of oil is
  14. Phenol is mainly used
  15. Chloral is used in the manufacture of
  16. Which of the following is a disaccharide?
  17. Silicone is a/an
  18. The process used for the manufacture of ethyl alcohol from molasses is
  19. Drinking (potable) water treatment does not involve
  20. Lindane is
  21. Major component of flint glass is
  22. At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the…
  23. Pick out the wrong statement.
  24. Frasch process is for
  25. Glauber's salt is chemically represented by
  26. Pick out the wrong statement.
  27. Naphthalene is removed from coke oven gas by
  28. Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C.
  29. Which of the following is not a pyrite ore?
  30. Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.