Определите функции инфинитива в следующих предложениях: 1. The process to convert substances into other substances is

1. The process to convert substances into other substances is very important.

To convert - инфинитив в функции определения.

1. There are many reasons to study chemistry.

To study - инфинитив в функции определения.

1. То get salts you have to know some methods of preparing salts.

To get - инфинитив в функции обстоятельства.

(To)know - часть составного глагольного сказуемого с модальными глаголами.

1. It is possible to get a good knowledge of chemistry by learning theoretical chemistry and carrying out practical work.

To get - инфинитив в функции дополнения.