May 2021 0 9 Report
5. Из перечисленных реакций одновременно каталитической и реакцией соединения является: а) S + О2 = SО2;
б) СuО + 2НС1 = СuС12 + Н2О;
в) СаО + СО2 = СаСО3;
г) 2SО2 + О2 = 2SО3.
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