Определите функции инфинитива в следующих предложениях: 1. the process to convert substances into other substances is very important. 2. there are many reasons to study chemistry. 3. то get salts you have to know some methods of preparing salts. 4. it is possible to get a good knowledge of chemistry by learning theoretical chemistry and carrying out practical work. образец выполнения: тhe best way to determine the amount of material in a sample of a solid is to weight it on a balance. to determine - инфинитив в функции определения to weigh - инфинитив в функции составной части глагольного сказуемого.