SC-846
Distillation
Lower Sec Science · Secondary 1 · Medium · Distillation
A mixture of ethanol and water is separated using simple distillation. At the moment when the distillate collected is pure ethanol, which row shows the correct temperatures? (Boiling point of ethanol is 78 °C.)
- Mixture: 78 °C, Thermometer: 78 °C, Condenser: 60 °C
- Mixture: 60 °C, Thermometer: 78 °C, Condenser: 90 °C
- Mixture: 90 °C, Thermometer: 90 °C, Condenser: 60 °C
- Mixture: 90 °C, Thermometer: 78 °C, Condenser: 78 °C
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