I. переведите предложения письменно, используя словосочетания. 1. вода вступает во многие реакции. 2. пузырьки растворенного воздуха улетучиваются из кипящего раствора. 3. можно доказать, что воздух - это смесь. 4. воздух можно разложить на составляющие его части. 5. все газы сжигаются при температуре выше 273°. water; bubbles of "dissolved air”; one; air; all gases; liquefy; can prove; escape; enters; can be separated; air to be a mixture; into a great deal of chemical reaction; into its components; from the boiling solutions; at temperature above 273°. ii. составьте вопросы в простом настоящем времени. model: water occurs in minerals. does water occur in minerals? 1. we use water for drinking and domestic purposes. 2. water contains dissolved mineral substances. 3. water occurs in animal and vegetable tissues. 4. water constitutes an important part of the earth's atmosphere. 5. man uses water for countless purposes. iii. подчеркните правильные предложения. a) she carries out experiments last week; she carries out experiments every week; b) i graduated from the pharmaceutical faculty in 3 years; i shall graduate from the pharmaceutical faculty in 3 years; c) chemistry very important for the students of the pharmaceutical faculty; chemistry is very important for the students of the pharmaceutical faculty; d) what specialists pharmaceutical faculty prepare? what specialists does pharmaceutical faculty prepare?
1.The water take part in much chimical (реакции, не помню как они пишутся, сарян)