(2009•泸州)小明同学将一根用砂纸打磨过的铁丝弯成螺旋状放入试管中,如右图所示装置好放置2周后,装置中出现的现象是:(1)铁丝表面 ;(2)试管内液面 ;(3)指出防止铁生锈的
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![(2009•泸州)小明同学将一根用砂纸打磨过的铁丝弯成螺旋状放入试管中,如右图所示装置好放置2周后,装置中出现的现象是:(1)铁丝表面 ;(2)试管内液面 ;(3)指出防止铁生锈的](/uploads/image/z/4682538-18-8.jpg?t=%EF%BC%882009%26%238226%3B%E6%B3%B8%E5%B7%9E%EF%BC%89%E5%B0%8F%E6%98%8E%E5%90%8C%E5%AD%A6%E5%B0%86%E4%B8%80%E6%A0%B9%E7%94%A8%E7%A0%82%E7%BA%B8%E6%89%93%E7%A3%A8%E8%BF%87%E7%9A%84%E9%93%81%E4%B8%9D%E5%BC%AF%E6%88%90%E8%9E%BA%E6%97%8B%E7%8A%B6%E6%94%BE%E5%85%A5%E8%AF%95%E7%AE%A1%E4%B8%AD%2C%E5%A6%82%E5%8F%B3%E5%9B%BE%E6%89%80%E7%A4%BA%E8%A3%85%E7%BD%AE%E5%A5%BD%E6%94%BE%E7%BD%AE2%E5%91%A8%E5%90%8E%2C%E8%A3%85%E7%BD%AE%E4%B8%AD%E5%87%BA%E7%8E%B0%E7%9A%84%E7%8E%B0%E8%B1%A1%E6%98%AF%EF%BC%9A%EF%BC%881%EF%BC%89%E9%93%81%E4%B8%9D%E8%A1%A8%E9%9D%A2+%EF%BC%9B%EF%BC%882%EF%BC%89%E8%AF%95%E7%AE%A1%E5%86%85%E6%B6%B2%E9%9D%A2+%EF%BC%9B%EF%BC%883%EF%BC%89%E6%8C%87%E5%87%BA%E9%98%B2%E6%AD%A2%E9%93%81%E7%94%9F%E9%94%88%E7%9A%84)
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