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初三科学：上册第一章酸与金属单质反应 (pg8)

Quiz by CHEW HOCK LEONG周福隆

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7 questions
Show answers
  • Q1
    影片中，盐酸与哪些金属单质有明显的反应？
    sorting://反应剧烈明显|镁,锌,钙 : 反应不明显或不反应|锡,铁,铜
    Video
    30s
  • Q2
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    30s
  • Q3
    稀盐酸加入盛有锌的试管中时，可观察到什么现象？
    Users enter free text
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    45s
  • Q4
    锌的表面产生气泡意味着什么？
    盐酸让锌活起来了，锌剧烈地呼吸。
    锌与盐酸发生化学反应，产生气体。
    锌与盐酸混合后温度下降变冷。
    盐酸助燃，锌可在盐酸里剧烈地燃烧。
    45s
  • Q5
    锌与盐酸反应所产生的气体是什么气？（用中文名称回答）
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    45s
  • Q6
    如何检验锌与盐酸反应所产生的气体？
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    60s
  • Q7
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    60s

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