copper sulphate solution is regarded as a mixture while copper sulphate itself is a pure substance. give reason
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Why copper sulphate is a pure susbtance?
Copper sulphate is a compound made up of elements like copper, sulphur and oxygen in fixed ratio.
The substances cannot removed using physical methods. They can be separated by chemical methods only.
The atoms of elements are bonded by different chemical bonds to form a molecule of copper sulphate.
Why copper sulphate solution is a mixture?
Copper sulphate solution = Copper sulphate + water.
Copper sulphate is dissolved in water and they can be separated using crystallization process (a physical method).
Since Copper sulphate is soluble in water, they form a homogeneous solution where the copper sulphate thoroughly mixes with water
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