Essential Chemistry for IGCSE - Particles And Purification (Section 6 - No. 7)
What are the key characteristics of a substance's melting point?
A sharp melting point range indicates high purity
A wide melting point range suggests the presence of impurities
A melting point is independent of pressure
Impurities tend to lower the melting point
Explanation
Correct statements about melting points.
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