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初三科学:上册第三章金属与氯气反应 (pg48)
Quiz by CHEW HOCK LEONG周福隆
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5 questions
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- Q1实验影片中,铁在氯气中能否燃烧?能不能Video30s
- Q2实验影片中,铜在氯气中能否燃烧?能不能Video30s
- Q3实验影片中,钠在氯气中能否燃烧?能不能Video30s
- Q4氯气是什么颜色的气体?黄绿色红棕色紫色无色30s
- Q5根据以上三个实验,根据钠、铜、铁与氯气反应的剧烈程度,请将钠、铁、铜的活泼性从较活泼到较不活泼排列。(1最活泼,3最不活泼)Users link answersLinking30s