55.6k views
4 votes
Why are you instructed to feel the outside of a test tube after 2 chemicals are mixed

2 Answers

2 votes
because you need to see if there is a temperature change so that the test tube doesn't break and spill the dangerous chemicals.
User Mikus
by
9.0k points
6 votes
Because sometimes, depending on the chemicals, you will be able to feel the heat from their chemical reaction. 
User Deco
by
8.1k points

No related questions found