A)na+h2o=naoh+h2
Б)2fe3o4+12al=4al3o2+6fe
В)2Cuo+3al=al3o2+2cu
Г)2no2=2no+o2
Д)h2s+o2=so2+h2o
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A)na+h2o=naoh+h2
Б)2fe3o4+12al=4al3o2+6fe
В)2Cuo+3al=al3o2+2cu
Г)2no2=2no+o2
Д)h2s+o2=so2+h2o