問題詳情
7.化学无处不在，下列与化学有关的说法不正确的是
(A)侯氏制碱法的工艺过程中应用了物质溶解度的差异
(B)可用蘸浓盐酸的棉棒检验输送氨气的管道是否漏气
(C)碘是人体必需微量元素，所以要多吃富含高碘酸的食物
(D)黑火药由硫黄、硝石、木炭三种物质按一定比例混合制成
(A)侯氏制碱法的工艺过程中应用了物质溶解度的差异
(B)可用蘸浓盐酸的棉棒检验输送氨气的管道是否漏气
(C)碘是人体必需微量元素，所以要多吃富含高碘酸的食物
(D)黑火药由硫黄、硝石、木炭三种物质按一定比例混合制成
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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