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ekaterinatemnok
@ekaterinatemnok
June 2022
1
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В реакцию замещения вступают между собой:
1) SO2 и O2
2) СаO и СO2
3) Nа и H2O
4) Fe2O3 и СO
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madstudy
Ответ:4
Fe2O3+3Co=2Fe+3CO2
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Fe2O3+3Co=2Fe+3CO2