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? wear safety goggles while looking into the opening of the test tube. cover the opening of the test tube so that no materials can boil out of it. move the test tube so that the opening is pointing away from all students. put the test tube in a hot water bath so that no water can enter its opening.

Lloyd must recommend his partner to wear safety goggles while looking into the opening of the test tube.

Explanation:

Safety goggles are laboratory gadgets that are used to cover the eyes in such a manner that, it is protected from chemical attacks. If Lloyd's lab partner looks into the test tube which is placed over the flame, without any precautionary measures, there are chances that the content in the test tube may fall into his eyes and he may suffer serious injury. Thus it is inferred that Lloyd must advice his partner to use safety goggles.

C) Move the test tube so that the opening is pointing away from all students.

Explanation:

a physical change is being made.