Ответ:
4AL+3O2=2AL2O3
4NH3+5O2=4NO+6H2O
CU+2H2SO4=CUSO4+SO2+2H2O
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Ответ:
4AL+3O2=2AL2O3
4NH3+5O2=4NO+6H2O
CU+2H2SO4=CUSO4+SO2+2H2O