Related Questions

Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials.
A Coke and sand
B Brine and coal
C Coke and caustic soda
D None of these
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
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
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
Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent.
A 15 to 25
B 35 to 45
C 55 to 75
D 75
__________ process is used for producing soda ash.
A Chamber
B Chance
C Tromp
D Solvay
Fertiliser produced during soda ash manufacture by dual process is ammonium
A Chloride
B Sulphate
C Nitrate
D None of these
Economics of 'Solvay Process' depends upon the efficiency of
A Carbonating tower
B Ammonia recovery
C Ammonia recovery and size of the plant
D Ammoniation of salt solution

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