Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?

Related Mcqs:

1. 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

2. 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

3. In the production of soda ash by Solvay process, the by-product is____________________?

   A. CaCl2
   B. NH4Cl
   C. NH3
   D. NaOH

4. 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.

5. Dense soda ash used in the manufacture of glass, is chemically represented by__________________?

   A. Na2CO3
   B. Na2CO3.10H2O
   C. Na2CO3.H2O
   D. Na2HCO3

6. Sodium carbonate (soda ash) is not used in the manufacture of___________________?

   A. Fire extinguishers
   B. Sugar
   C. Baking powder
   D. Detergents

7. Solvay process is used for the manufacture of____________________?

   A. Caustic soda
   B. Soda ash
   C. Caustic potash
   D. Soda lime

8. 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 A , B. and C.

9. ____________________ process is used for producing soda ash?

   A. Chamber
   B. Chance
   C. Tromp
   D. Solvay

10. ______________ process is used for the manufacture of sodium carbonate by ammonia soda process?

    A. Ostwald’s
    B. Bosch
    C. Solvay
    D. Haber’s