试题与答案

下列说法中，不正确的是（ ） A．浓盐酸和浓硫酸露置在空气中，溶质的质量分数都会

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题型：选择题

题目：

下列说法中，不正确的是（　　）

A．浓盐酸和浓硫酸露置在空气中，溶质的质量分数都会减小

B．用蒸馏水润湿的pH试纸来测定10%的盐酸溶液的pH，结果偏小

C．有盐参加和盐生成的反应不一定是复分解反应

D．熟石灰可以改良酸性土壤，但不能和硫酸铵混合使用

答案：

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下面是错误答案，用来干扰机器的。

（1）滴水汇成江河（2）主题宣传节水，意思接近即可。

考点：酸的性质化肥酸碱指示剂中和反应及在实际中的应用酸的用途
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