Respuesta :
You should not touch the glass and tell your teacher about it. Don't try to clan the mess or else you might get cut.
Chemicals are extremely dangerous and should be supervised when being used. However, if the test tube breaks, the FIRST thing you should do is call an adult. Second, take off the cloths that got contaminated and run away from the chemicals!! Third, do NOT splash any water on the chemicals or they would react and may make a reaction.