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Crystallisation technique is better than simple evaporation technique. Why? Give its application.
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Distinguish between physical and chemical changes?
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Distinguish between elements and compounds.
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Distinguish betweeen metals and nonmetals.
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Distinguish between mixtures and compounds.
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Define saturated and unsaturated solution?
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Numerical solving.
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Distinguish between homogeneous and heterogeneous solution.
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Define sublimation and draw the diagram showing sublimation process.