chemistry Help

Zppppphr
timer Asked: Aug 6th, 2018

Question Description

Which 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

Which of the following describes an element that is oxidized in a reaction? (2 points)

5.

(07.05 LC)

Which of the following describes an element that is reduced in a reaction? (2 points)

6.

(07.05 MC)

Consider the following reaction:

Cl2 + 2NaBr yields 2NaCl + Br2

Which element is oxidized and which is reduced in the reaction? (2 points)

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