（3）金属活动性顺序的理解及应用——2021-2022学年九年级下册化学人教版金属材料专题
※题型：单选题※知识点：单选题※试题难度：容易<br>把一枚无锈铁钉放在硫酸铜溶液中,一段时间后,可出现的是( )<br>A.溶液蓝色变浅直至无色<br>B.铁钉表而析出红色物质<br>C.产生大量气泡<br>D.溶液质量增加<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/818bdb9cc197434493ad6631b102df8a/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/d923c015342d467c979c07db21697b92/3860A188A8790CFCE1C03E35987F388A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>废旧手机的某些部件中含有Mg、Al、Cu、Ag等金属,如果将废旧手机的这些部件粉碎并浸入足量稀硫酸中充分反应后,过滤,所得固体中含有的金属是( )<br>A.Cu、A B.Mg、As C.Al、Cu D.Mg、Al<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/1c65e71c161e4655acadcf67818c7764/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/b960677697bb40b2b960532e8aea32f5/CA4A709343398B42DFD850EF332791FB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>现有X、Y两种金属,分别把它们插入<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/A5C332C77315A742B3681644C27D276B.png"><br>溶液中,一段时间后,在X表面有红色固体析出,在Y表面无明显变化,则上述金属的活动性顺序是( )<br>A.X>Y>Cu B.Y>Cu>X<br>C.Cu>X>Y D.X>Cu>Y<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/8708b25681ec4880894740e97e64adcb/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/e7aeaa93a68940769c6f4ad923ad600c/6396286B632115AF4E440C1E61A3A7B8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>小丽为确认所回收易拉罐的主要成分是铝还是铁,剪取金属片打磨后,设计了如图所示的两种不同方法进行检验,这样设计的依据是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/590A7AB3577E27CF8CDE0F4AFEAB8F94.png"><br>A.铁、铝有不同的物理性质<br>B.活泼金属易与氧气反应<br>C.排在氢前面的金属可以把酸中的氢置换出来<br>D.活动性较强的金属可把活动性较弱的金属从它的化合物溶液中置换出来<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/f775fe805e8440578ffa4f6e7fe71c28/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/202c4d388ae440ee8212b3e21adc1613/DEA4BF411827166E6CE7D7ECAA0AA5F7.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>验证镁、铜的金属活动性顺序,下列试剂不能选用的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/9088F9111F1A003D21C1331598B3FA03.png"><br>溶液<br>B.KCl溶液<br>C.稀盐酸<br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/3B4E4C70D42F70FB941A3B11AE04F95E.png"><br>溶液<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/ba7a7afe543f4a3a97a7bf8eb6cd06ea/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/bb010b6b08994f76aae4171fba4a3029/83322E955E6403DC6FBB99442B68C823.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列化学方程式正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/B8BB627DEEC94B29E13AD7AB7DC785F8.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/4857FB6108314068B82931C0BA2A969F.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/5114CFB5EA45FC37F83D0127D3526AD8.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/ECC273161A1C6B4F662C73FE5762D3F3.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/c6978020aa5941559efd7b90fea700b3/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/f4a0382711f849e19edb48cb0228bd34/6A1F1F074F54804FF355665FD2901A9D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>将一定质量的Zn放入<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/DC701AA898D27AFBD5471BDFA7EA10A7.png"><br>和<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/C09DD76B9792A4D62AC4145DC76E807C.png"><br>的混合溶液中,充分反应后过滤,得到滤渣和滤液,下列说法错误的是( )<br>A.滤渣中只含有Ag时,滤液一定呈蓝色<br>B.滤渣中含有<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/0D0AE3AB5566731A26D571FD832FA0D9.png"><br>和Ag时,滤液一定呈无色<br>C.滤渣中含有Zn时,滤液中的溶质只有<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/3AAA4E573759070BC59C23FC28C9EF14.png"><br>D.滤渣中含有Cu时,滤液中的溶质一定没有<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/5/C09DD76B9792A4D62AC4145DC76E807C.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/58643f49820b4956a872d883bfccd5b7/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/cd93e12d391a43d8908a58e4bf902848/024430F3137A764901D1BFE6AEC4DAC1.png"><br><br>※题型：计算题※知识点：计算题※试题难度：中等<br>黄铜是铜和锌的合金某化学兴<br>趣小组的同学欲测定实验室中某黄铜样品中铜的质量<br>分数(不考虑黄铜中的其他杂质),请你参与他们的探<br>究过程。称<br>量<br>g<br>粉末状黄铜样品放入烧杯中,量取<br>mL<br>稀硫酸分三次加到其中,每次充分反应后,测定<br>生成氢气的质<br>量<br>实验数据如下表:<br><tbody><br>第一次<br>第二次<br>第三次<br>加<br>入<br>稀硫酸的体积<br>(<br>mL<br>)<br>15<br>15<br>15<br>生成氢气的质量<br>(<br>g<br>)<br>m<br>0.04<br>0.02<br></tbody><br>试求:<br>1.m的数值是。2.此黄铜样品中铜的质量分数是多少?(写出计算过程)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/e4a025a7505145ac8ab57cd3f486eec7/94B12A9985E446E959293DD29F0034A9.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/bba34646101a41e491d6a26a3f77a6d1/FE4C46BA9ECD2DDB2E7DF7EA80EFF016.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>波尔多液是一种农业上的杀菌<br>剂,它由石灰乳与硫酸铜等配制而成,配制波尔多液能使用铁制容器吗?<br>_<br>________________<br>(填“能”或“不能”),原因是<br>_<br>________________<br>(用化学方程式表示)。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/b636b949fa0f454696608d3d6e3ab47c/D15F80DA12D16D27E377C315BF9F9440.png"><br>解析<br>略<br>※题型：填空题※知识点：填空题※试题难度：容易<br>将一块用砂纸打磨过的铝片浸入硫酸铜溶液中,观察到的实验现象是<br>_<br>____________________<br>,反应的化学方程式为<br>_<br>____________________<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/380835141d8641e78914f14ce5e0e428/EA90DF53504B34B8A595187EA801922B.png"><br>解析<br>略<br>
页:
[1]