A. Diaphragm electrolytic cell process
B. Mercury electrolytic cell process
C. Lime-soda process
D. None of these
Related Mcqs:
- Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine ?
A. Na2CO3
B. NaHCO3
C. H2
D. None of these - 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 - 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 - Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?
A. Explosive
B. Soap
C. Detergent
D. Analgesic drug - 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 - Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?
A. NH3
B. NaCl
C. CaO
D. Coke - Which of the following is not required in the manufacture of soda ash by Solvay process ?
A. Ammonia
B. Limestone
C. Nitric acid
D. None of these - ______________ process is used for the manufacture of sodium carbonate by ammonia soda process?
A. Ostwald’s
B. Bosch
C. Solvay
D. Haber’s - Dense soda ash used in the manufacture of glass, is chemically represented by__________________?
A. Na2CO3
B. Na2CO3.10H2O
C. Na2CO3.H2O
D. Na2HCO3 - Sodium carbonate (soda ash) is not used in the manufacture of___________________?
A. Fire extinguishers
B. Sugar
C. Baking powder
D. Detergents
