Why do you need to know the chemical property of substances?

I think that without knowledge of the chemical property of a substance, we will not imagine what kind of substance it is, and how to make a reaction with it.
In general, chemical properties are the composition of a substance, acid, alkali, oxide, metal or non-metal, a pure substance, with which substances how it interacts, etc.



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.