the reaction \( 2 \mathrm{Ag}+2 \mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{Ag}_{2} \math...

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the reaction \( 2 \mathrm{Ag}+2 \mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{Ag}_{2} \mathrm{SO}_{4}+2 \mathrm{H}_{2} \mathrm{O}+\mathrm{SO}_{2} \), sulphuric acid acts as
(A) an oxidizing agent
(B) a reducing agent
(C) a catalyst
(D) an acid as well as an oxidant
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