33.下列何者是nitrate reduction試驗的試劑?
(A)5% α-naphthol+40% KOH
(B)p-dimethylaminobenzaldehyde
(C)sulfanilic acid+α-naphthylamine
(D)tetramethyl-p-phenylenediamine
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統計: A(565), B(419), C(1381), D(218), E(0) #1741374
統計: A(565), B(419), C(1381), D(218), E(0) #1741374