Give two examples of obtaining oxides by decomposition of complex substances and combustion of substances. Write the reaction equations.
November 9, 2020
Obtaining oxides by decomposition of complex substances:
Cu (OH) 2 = CuO + H2O
CaCO3 = CaO + CO2
Obtaining oxides by burning substances:
S + O2 = SO2,
2ZnS + 3O2 = 2ZnO + 2SO2
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.