九年级化学下册第八单元金属和金属材料易错强化练课件(新版)新人教版.pptx

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第八单元 金属和金属材料,易错点1 纯金属、合金、金属材料的辨别 1.下列物质不属于合金的是( D ) A.生铁 B.硬铝 C.黄铜 D.紫铜 2.下列说法正确的是( C ) A.自然界中没有单质状态的金属 B.铝是地壳中含量最多的金属元素,所以人类利用铝比铜和铁早 C.金属材料包括纯金属和合金 D.合金中不一定含金属,4.除去铜粉中混有的少量铁粉,下列方法不可行的是( D ) A.用磁铁吸引 B.加入足量稀盐酸后再过滤 C.加入适量CuSO4溶液后再过滤 D.在空气中灼烧,5.小亮在学完“金属的化学性质”后,进行了如下实验探究:他先向只含AgNO3一种溶质的溶液中加入一定量的镁粉和铁粉,充分反应后过滤,再向过滤出的固体中滴加稀盐酸,发现有气泡产生,则下列结论正确的是( B ) 滤渣中一定含有Fe和Ag 滤渣中一定含有Fe和Mg 滤液中一定不含AgNO3,一定含有Mg( NO3 )2 滤液一定呈浅绿色 A. B. C. D.,7.为验证Zn、Fe、Ag的金属活动性强弱,下列实验药品不能达到实验目的的是( D ) A.FeSO4溶液、Zn、Ag B.ZnSO4溶液、稀盐酸、Fe、Ag C.ZnCl2溶液、AgNO3溶液、Fe D.ZnSO4溶液、FeSO4溶液、Ag,

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