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shi yan bu fen xun lian ti
Pages: 20-22
Year: Issue:  3
Journal: Journal of Subject Education

Abstract: 实验部分训练题张宝辉黎文虹摘编一、下列实验分别属于哪类型的实验:1.用凸透镜会聚太阳光分解氧化汞,证明能得到汞和氧气,这是氧气的发现者之一的普利斯特利曾经作过的一个实验。2.在两个花盆中分别栽种一头蒜,两个花盆中的土质一样,每天浇水的次数和量一样,将...
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