Lloyd’s lab partner is looking down into a test tube while he heats the contents by using a flame. Which action should Lloyd recommend to his partner if heating must continue?
Answer
A
Wear safety goggles while looking into the opening of the test tube.
B
Cover the opening of the test tube so that no materials can boil out of it.
C
Move the test tube so that the opening is pointing away from all students.
D
Put the test tube in a hot water bath so that no water can enter its opening.