The action that should be recommended by Lloyd to his partner if the heating must continue is to move the test tube so that the opening is pointing away from all students. Thus, the correct option is C.
Safety and security are the foremost things that you should be required to keep in mind when performing lab experiments. You should be well aware of all its parameters.
While heating the solution, always keep away your face away from the direct opening of the test tubes, wear goggles if required, etc.
Therefore, the action that should be recommended by Lloyd to his partner if the heating must continue is to move the test tube so that the opening is pointing away from all students. Thus, the correct option is C.
To learn more about Lab experiments, refer to the link:
https://brainly.com/question/17274244
#SPJ1