Which procedure should not be used during the heating of substances in a test tube?
A) Point the test tube away from you.
B) Stopper the test tube to prevent spills.
C) Wear safety goggles.
D) Use a test tube holder to avoid burns.

Question

03-09-2021
Biology

Answered

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Which procedure should not be used during the heating of substances in a test tube?
A) Point the test tube away from you.
B) Stopper the test tube to prevent spills.
C) Wear safety goggles.
D) Use a test tube holder to avoid burns.

Sagot :

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