Question

state four process during a chemical change​

Answer 1

Explanation:

Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding. Often, physical changes can be undone, if energy is input. The only way to reverse a chemical change is via another chemical reaction.

Answer 2

Explanation:

change in temprature

change in whether

time observation