Помогите, пожалуйста(( Дам 25 баллов ОПРЕДЕЛИТЕ ТИП РЕАКЦИЙ

CuO+H2= Cu +H2O

H2SO4+2KOH=K2SO4+2H2O

N2O5+H2O=2HNO3

2Al(OH)3=Al2O3+3H2O
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