Which is most likely a physical change?

cutting a substance into four pieces
burning a substance into ash and smoke
reacting a substance chemically to form a new substance
combining a substance with water to make rust

1 answer

The most likely physical change among the options you provided is:

Cutting a substance into four pieces.

Physical changes involve alterations in the state or appearance of a substance without changing its chemical composition, while the other options involve chemical changes that result in the formation of new substances.