химические свойства оксидов 8 класс решить задания ничего не понимаю
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20.10.2020 21:04
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Нерастворимые гидрооксиды ( Fe(OH)2, Cr(OH)3
3)
a) образуется соль
SO3 + MgO = MgSO4
б) образуется кислота
SO3 + H2O = H2SO4
в) образуется гидрооксид
K2O + H2O = 2KOH
г) образуется соль и вода
SO2 + NaOH = Na2SO3 + H2O
д) образуется соль и вода
Li2O + 2HCl = 2LiCl + H2O
4) RbOH, CuOH, Ca(OH)2, Ba(OH)2 основные, остальные - кислотные