When using a flame to heat a liquid in a test tube, which one is NOTsafe
A.
the test tube is...
When using a flame to heat a liquid in a test tube, which one is NOTsafe
A.
the test tube is open (no rubber stopper)
B.
the open end is pointed away from you and your lab partner
C.
the test tube is closed with a rubber stopper
D.
the hot tube must be cooled before placing it into an ice bucket
Answers: 2
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