1. Our practical classes in chemistry

the course of training

chemical laboratories

to carry out experiments chemical substances

to attend practical classes

to improve one’s knowledge

to occupy a large and light room

well-ventilated

unpleasant odour

chemical and physical properties

inorganic substances

to record all the findings

to point out the title

to describe reagents and results

2. The laboratory equipment and its reagents

to be equipped with

special laboratory tables

demonstration tables

laboratory vessels

glassware of different kinds

glassware for general use

glassware for special use

test-tubes

burettes

funnels

flasks, retorts

graduated cylinders

measuring glasses

pipettes

microscopes

analytical balances

distillators

burners

to have smth. at hand

the most widely available reagents

acids (nitric, sulphuric)

alkalis (potassium solution, sodium solution)

oxides

organic salts

indicators (phenolphthalein, methylen orange)

density

viscosity

vapour pressure

3. Different laboratories of our Academy

a lot of laboratories

inorganic chemistry

identifying the properties (of elements and inorganic substances)

qualitative analysis

quantitative analysis

to obtain

analytical chemistry

organic chemistry

properties of organic substances and ways of their synthesis

quality control

juridical chemistry

to obtain toxicological analysis

4. The great importance of work in the chemical laboratory

to be of great importance

the findings obtained

to keep one’s health

to increase one’s knowledge

running water

to contain various impurities

to obtain distilled water

to work with special vessels

determination of molecular weights

determination of boiling and melting points

Ex.5. Answer the following questions:

1. Is the course of training at any pharmaceutical institute possible without practical classes in chemistry? 2. Where are the practical classes in chemistry held? 3. What do students do in the chemical laboratories? 4. Do all members of your group prefer to attend practical classes? 5. What kind of room does our laboratory occupy? 6. Why is it well-ventilated? 7. What do we study during our practical classes in chemistry? 8. What do students usually point out in their copy-books? 9. What is the chemical laboratory equipped with? 10. What groups of vessels and glassware do you know? 11. Which reagents are available in our laboratory? 12. What do students use when they carry out experiments? 13. Where can we identify the properties of elements and inorganic substances? 14. What can be obtained in the laboratory of analytical chemistry? 15. Where can students obtain the toxicological analysis? 16. What does the running water contain? 17. How can students determine melting and boiling points?

Oral Speech Practice Exercises

Ex. 6. Practise reading the following flashes of conversation:

I

Tom -Hello, Bridget. You are a second-year student already.

Bridget -Hello, Tom. You are quite right. The 1^st year is over.

Excuse me, Tom. I’m in a hurry. I have to ventilate

our laboratory before the practical class in chemistry

begins.

Tom - Could you take me with and show me the chemical

laboratory? I’m only the first-year student, but I’d

like to see how the chemical laboratory is equipped.

Bridget - Here is our laboratory. Come in, please. I like to

work here very much because I prefer to attend

practical classes.

Tom - What a strange odour you have here.

Bridget - No wonder, chemists often work with substances having

strong and unpleasant odour.

Tom - Bridget, which experiments can be carried out here?

Bridget - Here you can make hydrogen. Firstly put some zinc into

a flask. Then add some sulphuric acid.

Tom - What will happen?

Bridget - After that bubbles will form on the zinc. It’s

hydrogen. Now I’ll record the findings.

Tom - Are you going to be a chemist?

Bridget - Oh, yes, It’s true. It’s very interesting to be a chemist.

Tom - Thank you. I had really a good time.

Bridget - Good luck to you. Good bye.

Tom - Bye.

II

Replace Russian sentences with the help of English ones:

• Привет, Саша. Ты уже на третьем курсе?

• Привет, Аня. I’m only a second-year student. I’m so sorry. I’m going to the chemical laboratory. Сегодня у нас практические занятия по химии.

• Could you take me with?

• Хорошо, пойдём проветрим лабораторию перед занятиями.

• What are you going to do it for?

• Понимаешь ли, студенты часто работают с веществами, имеющими неприятный запах. Here is our laboratory. Come in, please.

• What are all these shelves for?

• На этих полках размещается стеклянная посуда различных видов, а также приборы, такие как …

• Are you going to carry out experiments today?

• Sure. Would you like to stay with my group?

• I’d like to, but у меня лекция через 10 минут. А из чего состоит ваше практическое занятие по химии?

• Наше обычное занятие по химии состоит из теоретической и практической частей и лабораторной работы.

• I think I should go. Thanks a lot.

• You’re welcome. Bye.

Ex. 7. Comprise similar flashes of conversation using words and word combinations from the text “In the Chemical Laboratory”.

Ex. 8. Prove that:

- there is no place in the academy more interesting to a chemist than a chemical laboratory;

- the course of training at your academy is impossible without practical classes in chemistry;

- your chemical laboratory has its own modern equipment;

- you don’t like to carry out various experiments;

- there are a lot of laboratories in our state pharmaceutical academy;

- the work in the chemical laboratory is of great importance.

Ex. 9. Read the text and be ready:

a) to discuss the following points:

The rules for working in the chemical laboratory.

The theoretical, practical and laboratory parts of our practical classes.

The example of a chemical experiment.

to give a short summary of the text B: