7.关于硝酸的说法正确的是 A .Cu与稀硝酸反应后,在容器口观察到红棕色气体,证明还原产物为NO27.关于硝酸的说法正确的是 A .Cu与稀硝酸反应后,在容器口观察到红棕色气体,证明
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![7.关于硝酸的说法正确的是 A .Cu与稀硝酸反应后,在容器口观察到红棕色气体,证明还原产物为NO27.关于硝酸的说法正确的是 A .Cu与稀硝酸反应后,在容器口观察到红棕色气体,证明](/uploads/image/z/6458827-67-7.jpg?t=7%EF%BC%8E%E5%85%B3%E4%BA%8E%E7%A1%9D%E9%85%B8%E7%9A%84%E8%AF%B4%E6%B3%95%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AF+%E3%80%80%E3%80%80A+%EF%BC%8ECu%E4%B8%8E%E7%A8%80%E7%A1%9D%E9%85%B8%E5%8F%8D%E5%BA%94%E5%90%8E%2C%E5%9C%A8%E5%AE%B9%E5%99%A8%E5%8F%A3%E8%A7%82%E5%AF%9F%E5%88%B0%E7%BA%A2%E6%A3%95%E8%89%B2%E6%B0%94%E4%BD%93%2C%E8%AF%81%E6%98%8E%E8%BF%98%E5%8E%9F%E4%BA%A7%E7%89%A9%E4%B8%BANO27%EF%BC%8E%E5%85%B3%E4%BA%8E%E7%A1%9D%E9%85%B8%E7%9A%84%E8%AF%B4%E6%B3%95%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AF%E3%80%80%E3%80%80A+%EF%BC%8ECu%E4%B8%8E%E7%A8%80%E7%A1%9D%E9%85%B8%E5%8F%8D%E5%BA%94%E5%90%8E%2C%E5%9C%A8%E5%AE%B9%E5%99%A8%E5%8F%A3%E8%A7%82%E5%AF%9F%E5%88%B0%E7%BA%A2%E6%A3%95%E8%89%B2%E6%B0%94%E4%BD%93%2C%E8%AF%81%E6%98%8E)
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