Question

1. when two clear liquids are mixed and a solid forms, what is this solid called, and what does it show?

Explanation:

When two clear liquids mix to form a solid, the solid is a precipitate. This shows a chemical reaction (precipitation reaction) occurred, as new insoluble solid forms from dissolved substances.

Answer:

The solid is called a precipitate. It shows that a chemical reaction (precipitation reaction) has occurred, where an insoluble substance forms from the reaction of two soluble substances in solution.