Related Questions

Raw materials for 'Solvay Process' for manufacture of the soda ash are
A Salt, limestone and coke or gas
B Ammonia, salt and limestone
C Ammonia limestone and coke
D None of these
In the production of soda ash by Solvay process, the by-product is
A CaCl2
B NH4Cl
C NH3
D NaOH
Solvay process as compared to dual process (i.e. modified Solvay process)
A Can use low grade brine
B Has less corrosion problems
C Involves higher investment in NH3 recovery units than that for crystallisation units for NH4Cl
D Both B and C
Commercial production of calcium carbide requires limestone and __________ as raw materials.
A Coke
B Sand
C Soda ash
D Fuel oil
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
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
The carbonating tower used in Solvay process of soda ash manufacture is made of
A Cast iron
B Stainless steel
C Karbate
D Lead lined steel
The price of raw meterials had gone up by 15% labor cost has also increased from 25% of the cost of ras material to 30% of the cost of raw material. By how much percentage should there be reduction in the usage of raw materials so as to keep the cost same?
A 28%
B 17%
C 27%
D 24%
The inventory of raw materials included in the working capital is usually about __________ months supply of raw materials valued at delivery prices.
A One
B Three
C Six
D Twelve
__________ process is used for producing soda ash.
A Chamber
B Chance
C Tromp
D Solvay

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