Question

What is crystallisation? Give an example each of physical change and chemical change.​

Answer 1

Answer:

a result, crystallization can be described as a physical change. No new material is produced during the crystallization process; instead, a larger substance is obtained in its crystal form. A small piece of alum, for example, is hung in an alum solution with a thread to produce a large crystal.

Explanation:

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Answer 2

Explanation:

Crystallization or crystallisation is the process by which a solid forms, where the atoms or molecules are highly organized into a structure known as a crystal. Some of the ways by which crystals form are precipitating from a solution, freezing, or more rarely deposition directly from a gas.Examples of chemical changes are burning, cooking, rusting, and rotting.

Examples of physical change include, cutting paper, melting butter, dissolving salt in wate etc.