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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