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GCSE Combined Science · key term
The interval between the temperature at which melting first begins and the temperature at which all the solid has melted.
Used by OCR
Specification C2.1b · Chemistry Paper 1
Revise: Melting Point DataRecord the temperature when the first drop of liquid appears, then the temperature when all the solid has become liquid. These are the two ends of the melting range. Compare this range with the reference value for the substance being tested.
Support a purity judgement with the actual temperatures: compare both the melting range and its position relative to the pure substance’s reference melting point.
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