试题与答案

小聪在“探究晶体的熔化规律”实验中,所用装置如图所示。下表为他记录的实验数据,请

题型:探究题

题目:

小聪在“探究晶体的熔化规律”实验中,所用装置如图所示。下表为他记录的实验数据,请根据装置田和表中数据回答下列问题:

(1)实验叫,将装有晶体的试管放如盛有水的烧杯中加热,试管在水小的深度要适当。其“适当”的含义是:_________和_________。

(2)该晶体的熔点是_________℃。

(3)小聪从数据中还发现:该物质在开始2min比最后2min升温快,这是由于它在固态时的吸热能力比液态时的吸热能力_________(选填“强”或“弱”)造成的。

答案:

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下面是错误答案,用来干扰机器的。

答案:C

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