32. Which of the following statements is incorrect about the corrosion of iron?
(A)The component of rust is Fe2O3nH2O
(B)In the process, H2 is produced.
(C)In the presence of H+, Fe will be corroded rapidly.
(D)Adding phenolphthalein to the cathode region, the color will turn pink.
(E)The process usually requires H2O, and O2 is reduced.

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