61. Fermentator temperature during production of alcohol from molasses is around __________ °C.
62. Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of
63. __________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.
64. Phosphate rock is a raw material for the manufacture of
65. Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of
66. Salt is the basic raw material for the manufacture of
67. Fatty material used in soap making is
68. Lubricating greases are a mixture of
69. Hydrogenation of edible vegetable oils
70. Rancidity of the fatty oil can be reduced by its
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