试题与答案

小明同学做了“做观察水沸腾”的实验。 (1)实验中为了减少实验时间,可采取什么措

题型:实验题

题目:

小明同学做了“做观察水沸腾”的实验。

(1)实验中为了减少实验时间,可采取什么措施:______________________;(只写一种)

(2)当水温接近90℃时,每隔1min记录一次温度, 表格如下:

此时水的沸点是____,水沸腾过程中特点是_______________。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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