A. 10
B. 25
C. 50
D. 98
Related Mcqs:
- Concentration of NaOH solution produced by diaphragm electrolytic cell is about _______________ percent?
A. 10
B. 25
C. 50
D. 98 - Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is ______________ °C?
A. 25
B. 60-70
C. 150-200
D. 250-300 - 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 A , B. and C - 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 - 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 - What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell ?
A. Cl2 & Na
B. Cl2 & H2
C. O2 & H2
D. Cl2, H2 & NaOH solution - Extraction of _________________ employs an electrolytic process ?
A. Aluminium
B. Silver
C. Copper
D. All A, B. and C - At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?
A. Independent of
B. Directly proportional to
C. Inversely proportional to
D. Proportional to the square of - Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about _____________ percent?
A. 75
B. < 10
C. > 30
D. 50 - A bio-catalyst produced by living cells which acts independent of the cell is called a/an_______________?
A. Substrate
B. Enzyme
C. Nutrient
D. None of these
