Question

What happens to the total mass of a substance undergoing a physical change?

It stays the same.
It doubles.
It triples.
It is reduced.

Answers

GPT-4o mini
The total mass of a substance undergoing a physical change stays the same. In a physical change, the substance may change its form or state (such as melting, freezing, or evaporating), but its mass remains constant since no new substances are created or destroyed in the process.