Related Questions

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
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate
A Is prone to thermal decomposition
B Has high water solubility and is unstable
C Is soluble in ammonium chloride and potassium chloride solution
D All of the above
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
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
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
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
In the Solvay process, the product from the calciner is
A Light soda ash
B Dense soda ash
C Sodium bicarbonate
D Dehydrated soda ash
In the production of soda ash by Solvay process, the by-product is
A CaCl2
B NH4Cl
C NH3
D NaOH

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