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  1. Find the translation in the reference list. Recognize international words. One word translation is missed. Which one?

1.

hydrocarbon

2.

hydrogen

3.

carbon (carbon dioxide, carbon monoxide)

4.

sulfur

5.

oxygen

6.

nitrogen

7.

sodium chloride

8.

paraffin

9.

saturated molecules

10

synthetic clay

Reference list: Вуглеводень, водень, вуглекислий газ, чадний газ, сірка, кисень, азот, натрій, парафін, насичені молекули, синтетичний глей.

  1. Recognize the headword in the list of word-combinations and find the translation in your dictionary.

  1. carbon dioxide, carbon monoxide, carbon dating, car­bon paper, carbon copy, carboniferous, carbonic acid;

  2. clay soil, clay pigeon, clay pipe, claymore;

  3. poor yield, yield of ponds, yeild temperature, yeild point;

  1. Fill in the table.

1.

A c

compounds

.. . are saturated m s; make up

the bulk of c—e o-land are common

ing e and other f s. They are

also referred to as p n hydrocarbons.

2.

A c

compounds

.. .are saturated m s; but some

of the molecules join together in closed r s.

3.

A c

compounds

.. .are u d, close - ring

molecules. Contain the so-called b

e ring and include many one-, two-, or

multi-ring c s. These compounds

are often c c.

4.

O c

compounds

... are unsaturated h n

molecules in which double or triple c

- -1 bonds are formed between c n

atoms; however, they are not of the b

-e-ring type. Do not occur in c - — e oil

but are formed during the r g

process and occur in many oil p s.

  1. Make up questions to the sentences.

  1. The scientists can describe the physical properties of

crude oil. (How?)

  1. The boiling points of the hydrocarbon compounds within

crude oil may range. (How?) ___

  1. There are" some compounds with the lowest boiling

points. (What?)

  1. The higher boiling point compounds include the aroma-

tics that are carcinogens. (What?)

  1. Some fractions are represented by the toxic aromatic

compounds. (What?)

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