Commercial production of soda ash by Solvay process requires limestone, ___________________ as raw materials?

Related Mcqs:

1. Commercial production of calcium carbide requires limestone and __________________ as raw materials?

   A. Coke B. Sand C. Soda ash D. Fuel oil...

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

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

3. 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...

4. 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...

5. 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....

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. ____________________ process is used for producing soda ash?

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

8. Production of one ton of cement requires about _______________ tons of limestone ?

   A. 0.6 B. 1.2 C. 2.2 D. 3.8...

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

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

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

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