试题与答案

一定量的锌粉和6mol·L-1的过量盐酸反应,当向其中加入少量的下列物质时,一定

题型:选择题

题目:

一定量的锌粉和6mol·L-1的过量盐酸反应,当向其中加入少量的下列物质时,一定能够加快反应速率,又不影响产生H2总量的是( )

①石墨 ②CuO ③铜粉 ④铁粉 ⑤浓盐酸 ⑥无水乙酸

A.①③④

B.②④⑥

C.②⑤⑥

D.①③⑤

答案:

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参考答案:鲍氏志贺氏菌

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