Chemistry

Koda

22 April, 11:51

When the oxidation number of an element decreases over the course of a reaction, that element has beenWhich of the following chemical reactions is an oxidation-reduction reaction?

CuSO4 + BaCl2 yields BaSO4 + CuCl2

AgNO3 + NaCl yields AgCl + NaNO3

Pb (NO3) 2 + 2NaCl yields PbCl2 + 2NaNO3

Zn + H2SO4 yields ZnSO4 + H2

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