将铜片和锌片用导线连接至于稀硫酸中,下列说法正确的是A.正极附近硫酸根浓度逐渐增大B.溶液的PH逐渐减小C.锌片的质量逐渐增大D.锌片上和铜片上同时有气泡放出说明锌片不纯
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![将铜片和锌片用导线连接至于稀硫酸中,下列说法正确的是A.正极附近硫酸根浓度逐渐增大B.溶液的PH逐渐减小C.锌片的质量逐渐增大D.锌片上和铜片上同时有气泡放出说明锌片不纯](/uploads/image/z/4968691-43-1.jpg?t=%E5%B0%86%E9%93%9C%E7%89%87%E5%92%8C%E9%94%8C%E7%89%87%E7%94%A8%E5%AF%BC%E7%BA%BF%E8%BF%9E%E6%8E%A5%E8%87%B3%E4%BA%8E%E7%A8%80%E7%A1%AB%E9%85%B8%E4%B8%AD%2C%E4%B8%8B%E5%88%97%E8%AF%B4%E6%B3%95%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AFA.%E6%AD%A3%E6%9E%81%E9%99%84%E8%BF%91%E7%A1%AB%E9%85%B8%E6%A0%B9%E6%B5%93%E5%BA%A6%E9%80%90%E6%B8%90%E5%A2%9E%E5%A4%A7B.%E6%BA%B6%E6%B6%B2%E7%9A%84PH%E9%80%90%E6%B8%90%E5%87%8F%E5%B0%8FC.%E9%94%8C%E7%89%87%E7%9A%84%E8%B4%A8%E9%87%8F%E9%80%90%E6%B8%90%E5%A2%9E%E5%A4%A7D.%E9%94%8C%E7%89%87%E4%B8%8A%E5%92%8C%E9%93%9C%E7%89%87%E4%B8%8A%E5%90%8C%E6%97%B6%E6%9C%89%E6%B0%94%E6%B3%A1%E6%94%BE%E5%87%BA%E8%AF%B4%E6%98%8E%E9%94%8C%E7%89%87%E4%B8%8D%E7%BA%AF)
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