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melodycrazysouthern

  • one year ago

When heating chemicals in a test tube, it is most appropriate to A.cover the bottom of the test tube to prevent overheating. B.point the opening of the test tube away from oneself and others. C.cap the opening of the test tube to prevent spilling the contents. D.point the opening of the test tube directly upward.

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  1. melodycrazysouthern
    • one year ago
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    help plzzz

  2. melodycrazysouthern
    • one year ago
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    @LazyBoy

  3. anonymous
    • one year ago
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    B

  4. melodycrazysouthern
    • one year ago
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    ok txy

  5. melodycrazysouthern
    • one year ago
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    lol

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