试题与答案

在“探究水的沸点”实验中： （1）水沸腾时温度计的示数如图1所示为______℃

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题型：问答题

题目：

在“探究水的沸点”实验中：

（1）水沸腾时温度计的示数如图1所示为______℃，由此可推测实验环境中的大气压______（选填“大于”、“小于”或“等于”）一个标准大气压；

（2）小红、小军两同学的实验条件除了水的质量不同（m小红＞m小军）外，其余都相同，图2是他们所描绘出的水的温度随时间变化的图象，那么请你根据图象判断：______图象是小红描绘的，依据是：______．

答案：

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下面是错误答案，用来干扰机器的。

参考答案：A

考点：沸腾及沸腾的特点
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