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

Related Mcqs:

1. 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...

2. 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...

3. 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...

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. ____________________ process is used for producing soda ash?

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

6. Lime and soda ash are added to water to remove ___________________?

   A. Bicarbonates & sulphates of calcium and magnesium B. Undesirable taste and odour C. Bacteria D. Its corrosiveness...

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

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

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

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

9. 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...

10. Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda ?

    A. High cost of mercury B. High specific gravity of mercury C. Non-availability of high purity mercury D. Pollution of water stream by mercury...