which of the folowing is not a pure sbstance ice mercury iron milk
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It can be an element or a compound. Ice, iron, calcium oxide, mercury are pure substance as they have definite composition. Milk is colloid, so it is a heterogeneous mixture.
hemlaldeshmukh:
thank u so much
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, iron, calcium oxide, mercury are pure substance as they have definite composition. Milk is colloid, so it is a heterogeneous mixture...
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