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初三科学：上册第二章氢氧化钠的性质 (pg29-30)

Quiz by CHEW HOCK LEONG周福隆

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6 questions
Show answers
  • Q1
    影片中，氢氧化钠固体是什么颜色？
    蓝色
    红色
    黑色
    白色
    Video
    30s
  • Q2
    影片中，氢氧化钠吸收空气里的水分，表面溶解，显得潮湿，这种现象称为什么？
    氧化
    挥发
    潮解
    吸水
    30s
  • Q3
    影片中，氢氧化钠溶于水时，是吸热还是放热？
    放热
    吸热
    Video
    30s
  • Q4
    氢氧化钠溶于水时，溶液和容器温度升高还是降低？
    降低
    升高
    30s
  • Q5
    氢氧化钠又称为什么？
    烧碱
    熟石灰
    生石灰
    苏打
    30s
  • Q6
    影片中，氢氧化钠会不会和二氧化碳反应？
    会
    不会
    Video
    30s

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