Answers

2014-08-12T21:01:59+08:00
1. H2O2 + MnO2 --> MnO2 + O2 + H2O 2. FeSO4 + Cu(s) --> CuSO4 + Fe(s) 3. 2NaCl + CuSO4 --> Na2SO4 + CuCl2
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What are the kinds of reaction of each? :)))