题目

A、B、C、D、E是中学化学中常见的几种单质,其中A、D是金属,B、C、E常温下是气体;甲、乙、丙、丁、戊为化合物,其中乙在常温下是无色无味液体。它们之间有如下图所示的转化关系(有些产物已经略去): (1)写出下列反应的化学方程式甲+D:___________________________________________________________。(2)D与烧碱溶液反应的离子方程式是______________________________________________。(3)戊→丁的离子方程式是_______________________________________________________。(4)设计一种检验丁溶液8. The professor could tell by the look in Marie's eyes that she didn't understand a single word of his lecture.   A. cold   B. blank   C. normal   D. fresh
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