問題詳情
28.Fuel oils vary widely in quality and often contain significant amounts of sulfur. Please select afollowing substance that can form sulfuric acid in the exhaust gas path.
(A)NOx
(B)O2
(C)Carbon-dioxide
(D) Condensation
參考答案
答案：D
難度：適中0.548387
統計：A(6),B(0),C(8),D(17),E(0)