The best and most reliable proof of a chemical change is when a new substance is formed.
What is chemical change?
- Chemical change, or, alternatively, chemical breakdown into two or more separate molecules, occurs when one material reacts with another to create a new substance.
- Chemical change processes are referred to as chemical reactions, and they are typically irreversible barring additional chemical reactions.
- Exothermic processes are those that generate heat; endothermic reactions, on the other hand, are those that may need heat in order to proceed.
- The science of chemistry places a lot of emphasis on comprehending chemical changes.
- Atoms are rearranged during chemical reactions, and as new products are produced, the reaction is accompanied by an energy change.
- Chemically speaking, a chemical reaction results in chemicals that are distinct from the starting materials.
To learn more about chemical change with the given link
https://brainly.com/question/23693316
#SPJ4