chemical-engineering-chemical-process Related Question Answers
51. Cumene is the starting material for the production of
52. The type of high refractive index glass used in optical instruments is __________ glass.
53. Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.
56. Free alkali in a toilet soap is __________ that in a laundary shop.
57. Dehydrogenation of isopropanol produces
58. Concentration of hydrogen peroxide is done by
60. Fermentation of molasses to produce ethyl alcohol is done at __________ °C
61. The catalyst used in the manufacture of DDT is
62. Most widely and commonly used coagulant for the removal of suspended impurities in water is
64. Which of the following is not produced on commercial scale from sea water?
65. Heating of __________ to 120°C, produces plaster of paris.
66. Which of the following has sodium bicarbonate as its main constituent ?
67. Ordinary glass is not a/an
68. In premitive days, __________ was being manufactured by Leblanc Process.
69. The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at
70. Lurgi coal gasifier is a pressurised __________ bed reactor.
71. Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils
73. Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
74. Vulcanisation of rubber
75. Raw materials for 'Solvay Process' for manufacture of the soda ash are
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