List 5 pure substances known to you, which are in a liquid state at a temperature of 20 C.
| September 3, 2021 | education
Water (distilled or plain); any alcohol (methyl, ethyl, butyl, propyl), hydrogen peroxide (perhydrol H2O2); glycerol; the only metal that does not freeze at room temperature is mercury; all vegetable oils.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
