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科粤版九年级化学周周测一(1.1~1.4)习题课件
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这是一份科粤版九年级化学周周测一(1.1~1.4)习题课件,共23页。
DCAACACBBBCBBC蒸发皿胶头滴管酒精灯量筒试管集气瓶水槽AEBD④⑤②③①⑥10预热1/3③有新物质生成黑色、固体、密度比煤和水小、不溶于水能燃烧小石蜡的熔化过程外焰氧气变黑不变黑不正确正确
DCAACACBBBCBBC蒸发皿胶头滴管酒精灯量筒试管集气瓶水槽AEBD④⑤②③①⑥10预热1/3③有新物质生成黑色、固体、密度比煤和水小、不溶于水能燃烧小石蜡的熔化过程外焰氧气变黑不变黑不正确正确
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