In this unit, the students will  review the issues of industrial chemistry listed below and practice the corresponding English vocabulary, including the professional one.

Formative feedback, consultation and correction of tasks from Unit One. 

New topics:

Sulphur and its compounds (pp. 170-173). Tasks: 171/1, 173/1,2

Chlorine and its sompounds (pp. 174-177).  Tasks:  175/1

Fossil fuels, alternative sources of energy (pp. 186-189).  Tasks:  187/2,5

Oils nad its use, plastics (pp. 190-199).  Tasks:  195/3,4, 197/1-4.