Classify substances: FeSO4, H2SO4, Na2O, HBr, N2O3, Al (OH) 3 and name the substances.

Connection classes:
Salts: FeSO4 – iron (II) sulfate. Acids: H2SO4 – sulfuric acid, HBr – bromic acid.
Oxides: Na2O – sodium oxide, N2O3 – nitric oxide (III).
Bases: Al (OH) 3 – aluminum hydroxide.



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.