Related Questions

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
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
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
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 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
In the production of soda ash by Solvay process, the by-product is
A CaCl2
B NH4Cl
C NH3
D NaOH
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
Fertiliser produced during soda ash manufacture by dual process is ammonium
A Chloride
B Sulphate
C Nitrate
D None of these
Solvay process is used for the manufacture of
A Caustic soda
B Soda ash
C Caustic potash
D Soda lime
Sodium carbonate (soda ash) is not used in the manufacture of
A Fire extinguishers
B Sugar
C Baking powder
D Detergents

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