Which of the following is an example of a heterogeneous catalysis reaction?
- A$2 SO_{2(g)} + O_{2(g)} \xrightarrow{NO_{(g)}} 2 SO_{3(g)}$
- BHydrolysis of aqueous sucrose solution in the presence of aqueous mineral acid
- C$2 H_2 O_{2(l)} \xrightarrow{Pt_{(s)}} 2 H_2 O_{(l)} + O_{2(g)}$
- DHydrolysis of an ester in the presence of aqueous mineral acid
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