TUTORIAL QUESTIONS FOR CHEMISTRY OF INDUSTRIAL PROCESSES

TUTORIAL QUESTIONS FOR CHEMISTRY OF INDUSTRIAL PROCESSES

1. State and explain the classes of raw materials used in chemical industries

2. Describe the types of chemical process you know

3. What are the important factors that influence the operating conditions of chemical industries?

4.  Using step by step chemical equations, explain the process of coal gasification

5. Give 5 examples of raw materials obtained from catalytic cracking and reforming of crude oil

6. Define the following terms;

(a). Yield                   (b).  Carbon-footprint                   (c). Pyrolysis

(d). Carbonization             (e). Polymerization               (f). Oxidation/reduction

g. Double decomposition         (h). Nitration        (i). Electrolysis

7. State the process factors that are used to evaluate the eligibility of a chemical reaction for possible application in industries

8. For decades, coal is a well known primary raw material that serves as a chief source of chemical network to different chemical industries.  State and explain an example of a primary raw material, like coal that can serve as a chemical network for different chemical industries

9. State the main sources of brine

10. Explain the methods used for the manufacture of common salt

11. Mention 5 uses of caustic soda

12. Explain the electrolytic process of brine

13. State and explain the types of cells used in the manufacture of caustic soda and chlorine by electrolysis

14. Explain the following processes used in the industrial production of soda ash;

(a). Le blanc process      (b). Solvay’s ammonia soda process         (c). Dual process

15. What is industrial process?

16. With suitable examples, describe the types of industrial processes you know

17. Mention two intermediate products and two end products from each of the following

(a). propene  (b). ethane (c). butenes   (d). benzene        (e). xylenes

18. Discuss briefly the distillation of crude oil and outline how the primary petrochemicals are obtained.

19. Mention atleast three chemicals obtained from;

a. sucrose    b. cellulose  c. sea water d. wood

20. What is percent yield?

b. Magnesium carbonate (MgCO₃) decomposed to form 15g of MgO in the actual experiment. If the theoretical yield is 19g, what is the percent yield of MgO?