Question 1
In the reaction Zn + H2SO4→ ZnSO4 + H2, which, if any, element is oxidized?
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Zinc◦
Hydrogen◦
Sulfur◦
Oxygen◦
None of these are correctQuestion 2
In which of the following does nitrogen have an oxidation state of +4?
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HNO3
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NO2
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N2O◦
NH4Cl◦
NaNO2