Oxidation-Reduction Answers

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Answers:
Blank 1:+2
Blank 2:-2
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5

O is .

Answer:

-2

8

O is .

Answer:

-2

13

What is oxidized and what is reduced in this reaction?Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s)

A
Cu is reduced and Ag is oxidized.
B
Ag is reduced and Cu is oxidized.
C
NO3 is oxidized and Cu is reduced.
D
Ag is oxidized and NO3 is reduced.
14

What is oxidized and what is reduced in this reaction?N2H4(l) + 2H2O2(l) → N2(g) + 4H2O(g)

A
N is reduced and H is oxidized.
B
N is reduced and O is oxidized.
C
N is oxidized and O is reduced.
D
N is oxidized and H is reduced.
15

Which of these reactions are redox reactions? Check all that apply.

A
Cd + HCl → CdCl2 + H2
B
CuCl2 + Na2S → 2NaCl + CuS
C
CaCO3 → CaO + CO2
D
2ZnS + 3O2 → 2ZnO + 2SO2
E
CH4 + 2O2 → CO2 + 2H2O
19

that of O is ,

Answer:

−2

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