Ответы на вопрос:
2ca + o2 = 2cao cao + h2o = ca(oh)2 ca(oh)2 + 2hcl = cacl2 + 2h2o cacl2 + 2agno3 = ca(no3)2 + 2agcl c2h2 + h2o (hgso4)= ch3coh ch3coh + ag2o = ch3cooh + 2ag ch3cooh + cl2 = ch2clcooh + hcl ch2clcooh + nh3 = ch2nh2cooh + hcl
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