Chemistry

8th -

9thgrade

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Laboratory Safety

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15 questions

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  • 1. Multiple Choice
    10 seconds
    1 pt

    Enter the laboratory without teacher’s permission(批准)

    Do

    Don't

  • 2. Multiple Choice
    10 seconds
    1 pt

    Leave a lighted Bunsen burnerunattended(置之不理).

    Do

    Don't

  • 3. Multiple Choice
    10 seconds
    1 pt

    Report all accidents(意外) to the teacher at once.

    Do

    Don't

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