Related Questions

Ahmad has containers of two different sizes. The total capacity of 16 containers of one size is x gallons,and the total capacity of 8 containers of the other size is also x gallons , and x> 0. In terms of x , what is the capacity, in gallons, of each of the larger containers?
A 4x
B 2x
C x/2
D x/8
Caustic soda can be stored in __________ drums.
A Steel
B Cast iron
C Brass
D Gun metal
Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol.
A Waxes
B Mercaptans
C Asphalt
D Diolefins
Soap is prepared by boiling caustic soda with
A Alcohol
B Kerosene oil
C Glycerine
D Fats
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
Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulphonic acid produces sodium dodecylbenzene sulphate, which is a/an
A Explosive
B Soap
C Detergent
D Analgesic drug
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
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 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

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