III. Answer the questions

1. What are separation processes based on?

2. Can you enumerate the conversion processes?

3. In which process is gasoline produced?

4. Does the steam cracking process differ from thermal cracking? What is the difference?

5. What is one of the most important process for manufacture of gasoline?

6. What are inorganic chemicals made from?

7. What are the major sources of petroleum chemical products?

8. Will you name the row of synthetic fibers? What are the most important ones?

IV. Translate from English into Russian

antiknock property, thermal decomposition, low-grade components, molecular sieve-base catalysts, coke, vapours force, town gas, paint dryer, emulsifying agent, oil-refining operation.

V. Translate from Russian into English

продукты улучшенного качества, время реакций, частицы катализатора, неорганические химические вещества, нефтезаводской газ, состав ароматического ряда, высокомолекулярный полимер.

VI. Make up a plan of the text.

VII. Make an abstract of the text.