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dui jin shu na ran shao chan sheng hei se wu zhi de fen xi ji shi yan de gai jin
Author(s): 
Pages: 25
Year: Issue:  3
Journal: Experiment and Equipment for Primary School

Abstract:  金属钠加热燃烧的实验是研究金属钠化学性质的重点实验,然而教学实验表明金属钠燃烧产物的颜色问题一直没有得到较好解决,一般观察到的现象是既有黄色物质产生也有一定量的黑色物质,特别是对黑色物质的解释更是纵说纷纭,对此我们对实验进行了如下研究和改进.
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