SC-871
Distillation
Lower Sec Science · Secondary 1 · Medium · Distillation
A mixture contains ethanol and water. A student uses simple distillation to obtain pure ethanol. When pure ethanol is just being collected, which row shows the correct temperatures? (Boiling point of ethanol is 78 °C.)
- Mixture: 78 °C, Thermometer: 78 °C, Condenser: 25 °C
- Mixture: 60 °C, Thermometer: 78 °C, Condenser: 85 °C
- Mixture: 90 °C, Thermometer: 90 °C, Condenser: 25 °C
- Mixture: 78 °C, Thermometer: 60 °C, Condenser: 25 °C
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