Related Questions

In solutizer sweetening process, solutizer solution used is
A Methanol in Unisol process
B Naphthenic acid in Mercapsol process
C Both A & B
D Neither A nor B
Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst.
A Bauxite
B Fuller's earth
C Activated clay
D All of the above
In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen
A Enhances the desulphurisation process
B Minimises coke formation
C Both A & B
D Neither A nor B
Doctor's solution used for sweetening of petroleum products is
A Sodium plumbite
B Sodium sulphite
C Sodium thiosulphate
D Lead sulphate
Sweetening of petroleum product means the removal of
A Sulphur & its compounds
B Water
C Organic impurities
D Wax
Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?
A High cost of mercury
B High specific gravity of mercury
C Non-availability of high purity mercury
D Pollution of water stream by mercury
In Kraft process of paper manufacture, white cooking liquor consists of caustic soda
A Sodium sulphide & sodium carbonate
B Sodium sulphite & sodium carbonate
C Sodium sulphite & sodium sulphide
D None of these
Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol.
A Waxes
B Mercaptans
C Asphalt
D Diolefins
Evaporators used in caustic soda recovery and production plant are made of
A Monel metal
B Gun metal
C Wood metal
D Babbit metal
Identify the wrong word. The "caustic" "remarks" she made was "totally" "uncalled" for.
A caustic
B remarks
C totally
D uncalled

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