Separation Techniques Quiz
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Questions and Answers

Which method involves the use of a fractionating column?

  • Fractional distillation (correct)
  • Distillation
  • Simple distillation
  • Paper Chromatography

What physical property is being distinguished in both simple and fractional distillation?

  • Viscosity
  • Color
  • Boiling point (correct)
  • Density

In which method does the vapor go into a condenser to cool down?

  • Distillation (correct)
  • Paper Chromatography
  • Fractional distillation
  • Simple distillation

Which method can be used to separate mixtures of liquid?

<p>Fractional distillation (C)</p> Signup and view all the answers

How are components of ink separated in paper chromatography?

<p>By submerging paper in solvent (D)</p> Signup and view all the answers

What is the main difference between simple distillation and fractional distillation?

<p>The use of a fractionating column in fractional distillation (C)</p> Signup and view all the answers

Which method can be used to separate components with closer boiling points?

<p>Fractional distillation (A)</p> Signup and view all the answers

In paper chromatography, what property of the ink components allows them to be separated?

<p>Solubility in water (D)</p> Signup and view all the answers

What happens to the vapor after it enters the condenser in both simple and fractional distillation?

<p>It cools down and returns to the liquid state (B)</p> Signup and view all the answers

Which method is more suitable for separating a mixture of liquids with significantly different boiling points?

<p>Simple distillation (A)</p> Signup and view all the answers

Flashcards

Fractional distillation

A separation technique using a fractionating column to separate liquids based on boiling points.

Boiling point

Separation relies on differences in this physical characteristic to separate liquids.

Condensation in Distillation

The process where vapor is cooled to revert back to liquid.

Fractional distillation

A method to separate miscible liquids.

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Paper chromatography separation

Components separate based on their varying degrees of dissolution in the solvent.

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Fractionating column

Fractional distillation uses this to improve component separation.

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Fractional distillation

Separates liquids with close boiling points.

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Solubility in paper chromatography

The component's degree of dissolvability in the solvent.

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Condensation in Distillation

The vapor transitions into liquid form.

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Simple distillation

Use it for 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.

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