某学生通过下列家庭小实验探讨用化学知识解决生活中的问题,不合

某学生通过下列家庭小实验探讨用化学知识解决生活中的问题,合理的是(  )

A.用石膏粉与少量生豆浆调拌均匀后加到煮沸的豆浆中制作豆腐

B.用米汤检验食盐中是否含碘酸钾(KIO3)

C.用纯碱(Na2CO3)热溶液洗涤餐具上的油污

D.用灼烧并闻气味的方法区别纯棉织物和纯羊毛织物

答案

【答案】B

【解析】

试题分析:淀粉遇I2显示蓝色,而不是KIO3B错误。

考点:化学知识解决生活中的问题

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