Related Questions

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it
A Has larger production capacity per unit cell
B Consumes less power per ton of Cl2 produced
C Produces high purity (70%) caustic soda directly
D All of the above
Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and
A Moving mercury and graphite
B Graphite and moving mercury
C Moving mercury and carbon
D Moving mercury and crimped steel wire
Diaphragm electrolytic cell as compared to mercury electrolytic cell
A Produces 70% NaOH solution
B Requires less specific power consumption for the production of chlorine
C Requires lesser investment for similar capacity
D All of the above
Mercury cells for caustic soda manufacture, compared to diaphragm cells
A Require lower initial investment
B Require more power
C Produce lower concentration NaOH
D None of these
Evaporators used in caustic soda recovery and production plant are made of
A Monel metal
B Gun metal
C Wood metal
D Babbit metal
Capillary rise of mercury in a small diameter tube is proportional of (where, d = mercury of the rube, σ = surface tension of mercury)
A d
B 1/d
C σ
D 1/σ
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
Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?
A Oxidation of Na+ ions
B Oxidation of Cl- ions
C Reduction of Na+ ions
D Reduction of Cl- ions
Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.
A 10
B 25
C 50
D 98

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