Justify that crystallisation is a physical change with the help of an
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Crystallisation: A physical change
It is a physical change. Crystals of salt are obtained by the evaporation of sea water. Similarly crystals of copper sulphate can be obtained by adding copper sulphate powder to the boiling solution of water and dilute sulphuric acid.
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Yes it is a physical change
Explanation:
Crystallization is a physical change because when a substance crystallizes its chemical properties are not affected.
Example: When salt water is evaporated by heating, salt crystals are left behind as the residue from the homogeneous mixture(salt water).
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