Question

A cup of water is left outside on a hot day and all the water evaporates after 4 hours. Physical Change or Chemical Change

Answer 1

Answer:

This is a physical change as only the state of water has changed but it's molecular structure hasn't

Answer 2

Answer:

physical change.

Explanation:

The evaporation of water is a physical change. When water evaporates, it changes from the liquid state to the gas state, but it is still water; it has not changed into any other substance. ... For example, hydrogen burning in air undergoes a chemical change in which it is converted to water.