The situation described is an example of a physical change. The ocean water evaporated, leaving salt behind, but no new substances were formed in the process. The salt can be dissolved again if water is added, which is characteristic of a physical change.
John and Lisa collected a sample of ocean water and placed it in a jar. Within a couple of days, the water had evaporated and salt was visible at the bottom of the jar. This is an example of a
Responses
physical change.
physical change.
chemical change.
chemical change.
solute being dissolved.
solute being dissolved.
new substance being formed.
1 answer