September 2018 1 27 Report

Które równanie zostało błędnie zapisane.?

1. 2NO+H₂--->N₂+2H₂O

2. 2Fe₂O₃+3C--->4Fe+3CO₂

3. NaCl+AgNO₃---->AgCl+NaNO₃

4. Al₂O₃+2H₂--->2Al+3H₂O

5. 2Cu₂O+C----> 4Cu+CO₂


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