An important rule for students to know when heating a test tube is to
A) place a cork in the mouth of the test tube.
B) point the mouth of the test tube away from others.
C) hold the test tube loosely with the fingertips.
D) shake the test tube forcefully to keep contents mixed.

Respuesta :

Answer:

B .point the test tube away from others

Explanation:

Well in science your supposed to keep it away from you and others so the aroma doesnt harm your nose or anyone eles´s nose

Hoped I helped -\

Sleepy~