CuCl2+Zn=ZnCl2+Cu
Cu+4HNO3(конц.)=Cu(NO3)2+2NO2+2H2O
Cu(NO3)2+2KOH=2KNO3+Cu(OH)2
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CuCl2+Zn=ZnCl2+Cu
Cu+4HNO3(конц.)=Cu(NO3)2+2NO2+2H2O
Cu(NO3)2+2KOH=2KNO3+Cu(OH)2