Question

Which of the following concerning oxidation-reduction reactions is/are correct?
1) Oxidation-reduction reactions always form gaseous products.
2) At least one substance is oxidized and one substance is reduced in an oxidation-reduction reaction.
3) The species that is oxidized loses one or more electrons in an oxidation-reduction reaction.
A) 1 only
B) 2 only
C) 3 only
D) 1 and 3
E) 2 and 3

Answer

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