Centrifugation, Decantation, and Filtration Quiz

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10 Questions

What is the purpose of centrifugation?

Separating solid matter from a liquid suspension

Which process involves pouring a liquid gently to avoid disturbing the solid at the bottom of the container?

Decantation

What is the liquid that passes through the filter paper called?

Filtrate

What are substances other than the analyte that affect the final measurement called?

Interferences

What is the key to recrystallization as a purification technique for solids?

Minimum amount of solvent

What is the purpose of cooling the filtrate?

To remove soluble impurities

What is the principle behind distillation as a purification method?

Separation based on the boiling points of contaminants and the liquid to be purified

What distinguishes fractional distillation from simple distillation?

Fractional distillation includes repeated evaporation-condensation steps in a fractionating column

In Liquid-Liquid Extraction, why is there a need to separate the analyte from the original solvent?

Due to interference with the analysis technique chosen

What is the purpose of leaving the separatory funnel undisturbed after shaking in Liquid-Liquid Extraction?

To allow time for the immiscible layers to separate again

Test your knowledge on the processes of centrifugation, decantation, and filtration used for separating solid matter from liquid suspensions. Learn about the techniques involved in each process and their applications in laboratory settings.

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