Question

A student is in the lab and combines two unknown substances ( which you should never do because it is not safe). one is a white solid, and the other one is clear liquid. after the substances are mixed, you observe...

1- bubbles forming,
2- dementia turns a dark purple color, and
3-the white solid substance dissolves into the liquid.



did a physical change or a chemical change happen? which of the observation would you use as evidence in why? ​

Answer 1

Chemical change

Step-by-step explanation:

If you were to mix two unknown substances and a reaction as such was to happen it would most likely be a Chemical change as it had a reaction with the other substance and created a chemical reaction.

Sorry for any spelling errors English is my second language.