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__________ 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
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  8. Solvay process is used for the manufacture of
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  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
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  18. Silicon carbide is a/an
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  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
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  26. Hydrogenation of vegetable oils is a/an __________ reaction.
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  28. Alcohol is produced by the
  29. Yellow glycerine is made into white, using
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