Ex Translate the sentences into English

Ex. 2. Give the English equivalents for the following: veroyatno, imet

of great industrial importance, but among the chemicals, the atomic weight of different ores is more (less), the same valence, has several allotropic forms, useful, very similar, very hard, dark color, surface coating , similar ..., untreated, accordingly, under appropriate conditions, one percent solution, protective coating, prolongs life

Ex 4. Translate the sentences into English.

1. There is not enough water in a glass. Please bring more. 2. It's late, but there are a few students working in the lab. 3. All questions were answered by only a few students. 4. You know very little about this phenomenon. 5. There are several magazines on the table. One of them is an article about Pauling. 6. There are several errors in your work. Try to fix them. 7. Our group of students are now in the library, where they studied for several hours. 8. I have a little money, I can't buy this dictionary right now. 9. The 58 students in this group read well in English.

10. You work less, you have to work more.

Ex. 7. Translate the sentences into English.

1. Selenium is not of great industrial importance. 2. Although selenium is not very common, it can be found in a variety of ores. 3. We can say that all selenium atoms are twice as high as sulfur. 5. Sulfur and selenium are very similar, so sulfur reactions are similar to selenium reactions. 6. Selenium is odorless and tasteless, but can change color several times. 7. When working with selenium, it should be borne in mind that its combination with hydrogen has a worse odor than hydrogen sulfide.