火柴燃烧与铁钉生锈两个变化有什么共同之处,为什么
如果回答令我很满意,
人气:368 ℃ 时间:2020-02-02 18:14:30
解答
两者都是化学变化,有新物质生成,而且都是物质被氧化.
前者:4P +5O2=2P2O5
后者:4Fe +3O2=2Fe2O3
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