Подберите пары слов, эквивалентных по смыслу

solution dissolve soluable solvent insoluable solubility dissolving (of) insolubility

растворитель раствор, растворение процесс растворения нерастворимый растворимый нерастворимость растворимость растворять

1.–	2.–	3.–	4.–
5.–	6.–	7.–	8.–

Ex.3.

Выберите правильный вариант из предложенных.

1. Calcite ______ very slightly in pure water
1. solvent
2. dissolve
3. dissolving
4. dissolves
2. Chemical weathering includes the process of ______ rock material by water
1. insolubility
2. dissolvent
3. dissolving
4. dissolve
3. Pure water is a poor ______ of the common minerals
1. solution
2. solvent
3. dissolution
4. dissolving
4. The rivers carry substances in ______ and particles of rocks to the sea
1. soluabily
2. solution
3. dissolve
4. solvent

Ex.4.

Догадайтесь о значении выделенных слов.

1) The value of fossils in solving problems of oil geology is enormous.

2) In the solution of all geological problems there is the period of observation and measurement.

Ex.5.

Вставьте пропущенные слова, выбрав подходящий вариант из колонки справа. Прочитайте вслух полученный вариант текста.

______ process that ______ or ______ the composition of the rock is considered as part of chemical weathering. The ______ important changes of this kind are ______ involving ______, hydration, oxidation and carbonation. No substance is entirely ______. When ______ material dissolves in ______, ______ molecules separate and disperse themselves ______ those of the other substance (______). In general, high temperatures and pressures increase ______, with one exception: gases are much more ______ in cold than in warm liquids. The most important result of action of ground water on sedimentary rocks is the ______ of the cements which hold their grains together.

those alters insoluable one any other soluable dissolves most dissolving solution its solubility among the solvent

Ex.6.