Question

A solid is placed in a solution. Which observation most likely indicates that a chemical reaction has occurred?

.
The size of the solid has rapidly decreased
The color of the solution has not changed.
The solid has bubbles forming on its surface.
The temperature of the solution stays the same.

Answer 1

C.) The solid has bubbles forming on its surface.

Step-by-step explanation:

edge 2021

Answer 2

the solid has bubbles forming on the surface

Step-by-step explanation:

all of the other options are physical changes