It is a Physical property because like water it changes into a ice cube but it can be melted into water or be turned back into an ice cube.
Sea arch, headland, sea cave, cliff, sea stack sorry if I’m wrong hope this helped
Personal experience from Ag Mech classes-Concrete cools faster than metal.
2NaBr + Ca(OH)2 ➡️ CaBr2 + 2NaOH
