Science

7th -

9thgrade

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肥皂與清潔劑2

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    表格中哪個敘述正確?

    A

    B

    C

    D

  • 2. Multiple Choice
    30 seconds
    1 pt
    Image

    如附圖所示,圖中何者是肥皂分子的親水性端

    乙丙

  • 3. Multiple Choice
    30 seconds
    1 pt

    洗碗時,看見浸泡碗盤的水盆中浮著一層油膩膩的食用油,當他將某種溶液加入之後,油汙隨即散開,則此溶液可能為何?

    礦泉水

    肥皂水

    檸檬汁

    食鹽水

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