__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

A. Chlorine

B. Ammonium chloride

C. Sodium carbonate

D. Sodium bi-carbonate

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  2. Oleum produces fumes of
  3. The type of high refractive index glass used in optical instruments is __________ glass.
  4. Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain…
  5. Sulphur removal by heating of pyrite ore in presence of air is called its
  6. Parathion and Malathion are
  7. Polymethyl methacrylate (PMMA) is known as
  8. Solvay process is used for the manufacture of
  9. Pick out the wrong statement.
  10. Hydrazine is used in water treatment for the removal of
  11. Sucrose is a disaccharide consisting of
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  13. Yeast is used in the manufacture of
  14. Rosin soap is added during paper manufacture to
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  16. Nitric acid is not used in the manufacture of
  17. Bleaching action of bleaching powder is due to its __________ properties.
  18. Silicon carbide is a/an
  19. Systemic insecticides
  20. Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is…
  21. Fluorescent dyes are added in detergents to
  22. Sulphuric acid completely saturated with sulphur trioxide is called
  23. Gun powder uses
  24. Iron ore hematite is concentrated using
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  26. Hydrogenation of vegetable oils is a/an __________ reaction.
  27. Commercial production of calcium carbide requires limestone and __________ as raw materials.
  28. Alcohol is produced by the
  29. Yellow glycerine is made into white, using
  30. Pick out the exothermic reaction out of the following: