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What happens to sulfur in the following unbalanced equation? H 3 A s O 4 + H 2 S H 3 A s O 3
What happens to sulfur in the following unbalanced equation?
a oxidized from to
b oxidized from to
c reduced from to
d reduced from to
e Sulfur is neither oxidized nor reduced in this reaction.
In which compound is the oxidation number of vanadium different from the oxidation numbers of the other elements?
a
b
c
d
e
Which substance is the reducing agent in the following equation?
a
b
c
d
e
Which element is reduced in the following reaction?
NOCl
a chlorine
b nitrogen
c gold
d oxygen
e hydrogen
The oxidation number of chromium in the dichromate ion is
a
d
b
e
c
Manganese has an oxidation number of in
a
d
b
e
c
The oxidation number of sulfur in is
a
d
b
e
c
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