Приравнять обе части упражнения и записать названия типы химических реакций.
1) CaCO3 - CaO + CO2
2) Na2SO4 + BaCl2 - NaCl + BaSO4
3) SO3 + H2O - H2SO4
4) Cu + HNO3 (конц) - Cu (NO3)2 + NO2 + H2O
5) Fe (OH)3 - Fe2O3 + 3H2O
6) Al2(SO4)3 + NaOH - Na2So4 + Al (OH)3





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