Description

A 4-step conceptual explanation. Step 1: 'Different substances have different BOILING POINTS' - show a chart: Water boils at 100°C, Alcohol at 78°C, Salt at 1413°C, Oil at ~300°C. 'This is the KEY to distillation!' Step 2: 'When you heat a mixture, the substance with the LOWEST boiling point evapora

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