Ответ:3ZnO+2Al=Al2O3+3Zn
3CuO+2Al=3Cu+Al2O3
2Fe+3H2SO4=Fe2(SO4)3+3H2
Ca(OH)2+2HNO3=Ca(NO3)2+2H2O
2Ba+O2=2BaO
Fe(NO3)3+3KOH=Fe(OH)3+3KNO3
Объяснение:
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Ответ:3ZnO+2Al=Al2O3+3Zn
3CuO+2Al=3Cu+Al2O3
2Fe+3H2SO4=Fe2(SO4)3+3H2
Ca(OH)2+2HNO3=Ca(NO3)2+2H2O
2Ba+O2=2BaO
Fe(NO3)3+3KOH=Fe(OH)3+3KNO3
Объяснение: