Questions and Answers
Which method involves the use of a fractionating column?
What physical property is being distinguished in both simple and fractional distillation?
In which method does the vapor go into a condenser to cool down?
Which method can be used to separate mixtures of liquid?
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How are components of ink separated in paper chromatography?
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What is the main difference between simple distillation and fractional distillation?
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Which method can be used to separate components with closer boiling points?
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In paper chromatography, what property of the ink components allows them to be separated?
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What happens to the vapor after it enters the condenser in both simple and fractional distillation?
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Which method is more suitable for separating a mixture of liquids with significantly different boiling points?
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Study Notes
Filtration
- Involves placing filtration paper in a funnel over a beaker.
- Mixture is poured into the funnel; liquid drains into the beaker, while solid remains on the paper.
- Effective for separating mixtures of solids and liquids.
- Distinguishing physical property: state of matter (solid vs. liquid).
Evaporation
- Conducted by placing a solution in a crucible, suitable for high temperatures.
- Heating the solution with a Bunsen burner causes the liquid to evaporate.
- Useful for separating solute from solvent through the application of heat.
- Distinguishing physical property: state of matter.
Recrystallization
- Begins by dissolving an impure mixture in a hot solvent.
- The solution is covered to prevent particle escape during cooling.
- As it cools, crystals form at the bottom which can then be filtered using vacuum filtration.
- Aims to separate or remove impurities from a solid compound.
- Distinguishing physical property: size of particles.
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Description
Test your knowledge of separation techniques with this quiz. Learn about filtration, solvation, and evaporation methods for separating mixtures of solids and liquids.
