Multiple Choice
Which principle allows components of a liquid mixture to be separated by distillation?
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4. BONUS: Lab Techniques and Procedures
Distillation & Floatation
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Which method would be most effective for separating a mixture of alcohol and water?
A
Filtration
B
Floatation
C
Distillation
D
Chromatography
Verified step by step guidance1
Identify the physical properties of the components in the mixture: alcohol and water are both liquids and are miscible (they mix completely).
Understand that filtration is used to separate solids from liquids, so it is not effective for separating two liquids.
Recognize that floatation separates substances based on differences in density, typically for solids or immiscible liquids, which does not apply here since alcohol and water mix.
Chromatography is used to separate components based on their movement through a medium, often for complex mixtures or dissolved substances, but it is not the most practical method for simple liquid-liquid separation.
Distillation separates liquids based on differences in their boiling points, making it the most effective method to separate alcohol (which has a lower boiling point) from water.
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