81. Good quality kerosene should have
82. Pick out the wrong statement.
83. Crude oil is transported inland from oil field to refineries, mainly by the
84. Fuel oil is subjected to visbreaking to reduce its
85. The most suitable solvent for deasphalting vacuum residue is
86. Deoiling of wax is done by its
87. The proper arrangement of the petroleum fractions in order of their boiling points is
88. Diesel index is defined as
89. Furfural solvent extraction is used for upgrading (by dissolving aromatics)
90. Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to
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