5. Watch the video 'Sulphuric Acid Production'. Decide if the sentences are true (t) or false (f).

1. Sulphuric acid is used in the drug production.
2. The small plant makes 60 tons of acid per day.
3. Sulphur is transported as a liquid around 200 degrees Celsius.
4. In the converter sulphur dioxide reacts with oxygen.
5. The catalyst is the most effective at 840 degrees Celsius.
6. About 95% of the original SO2 has been converted to SO3.
7. The acid concentration must be about 98% at the final stage.

6. Explain the following words and word-combinations in English.

Reactant; product; breakdown; electrolysis; neutralization reaction; redox reaction.

7. Make up the sentences of your own with the words in bold. Provide your own examples of combustion reactions and precipitation reactions.

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8. Ask different types of questions to the text and answer your groupmates' questions.

9 . Prepare a report upon one of the following topics:

1. Inorganic chemistry as a science.

2. Differences and similarities between inorganic and organic chemistry.

3. Types of inorganic chemical reactions.

4. The Periodic table as the basis of inorganic chemistry.

10. Study the web site www.sciencedaily.com and prepare a report or presentation on inorganic chemistry news. Share the information with the groupmates.

UNIT 3. ANALYTICAL CHEMISTRY