布丁学网

下列操作能将物质完全分散成分子的是

  • 下载次数:
  • 支持语言:
  • 1245
  • 中文简体
  • 文件类型:
  • 支持平台:
  • pdf文档
  • PC/手机
  • 【名词&注释】

    植物油(vegetable oil)、高锰酸钾(potassium permanganate)

  • [单选题]下列操作能将物质完全分散成分子的是

  • A. 在研钵里用杵研磨粒状胆矾
    B. 将蔗糖溶于水
    C. 把植物油滴入水中用力振荡
    D. 加热高锰酸钾

  • 查看答案&解析查看所有试题
  • 学习资料:
  • [单选题]Sunday was going to be the birthday for me and my other two classmates. As we were born in the (21) month,we decided to have a big party to (22) it.On that evening,we invited all of our classmates. We prepared a lot of food and drinks.After singing the birthday song,we (23) the delicious cake together. We sang more songs and played games. Then someone told funny stories,and (24) laughed. Three hours flew by quickly.Because we had to (25) before 11:00,we ended our party at 10:00. Before we left,our classmates gave' (26 )0f us a birthday card with their best wishes. ( 27) we took some pictures together. What a great time we had! At that moment,l felt love,happiness and friend- ship.
  • A. (29) I wanted to say to my classmates,"Thank you,and I will (30) forget this evening,especially each of you!
    C. different
    D. best
    E. same
    F. some

  • 本文链接:https://www.51ksbd.net/show/v8xpy7.html
  • 推荐阅读
    @2019-2025 布丁学网 www.51ksbd.net 蜀ICP备20012290号-1 川公网安备 51012202001362号