51. The major constituent of black liquor generated during paper manufacture is sodium
52. Boiling of water containing temporary hardness produces
53. Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?
54. Pick out the wrong statement.
55. Nicotine is
56. The purpose of tanning in leather industry is to
57. What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?
58. Pick out the wrong statement.
59. Nylon-6 is a
60. During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as
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