Chemistry: Separation and Purification Processes Quiz

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Questions and Answers

What is the process used to separate an insoluble solid from a liquid?

filtration

Describe the process of recrystallization.

separating the pure solid from its impurities

When would you use evaporation as a process?

to separate a solute from a solution

What is the purpose of distillation?

to separate miscible liquids with different boiling points Signup and view all the answers

What is the main objective of chromatography?

to separate soluble solids such as food colorings or plant pigments Signup and view all the answers

Explain the difference between dissolution and solvation.

Dissolution is the process of dissolving a solute in a solvent to form a solution, while solvation is the process by which solvent molecules surround and interact with solute ions or molecules. Signup and view all the answers

When would you use recrystallization as a separation process?

Recrystallization is used when you have an impure solid and need to separate the pure solid from its impurities. Signup and view all the answers

Describe a situation where you would apply distillation.

Distillation is used to separate miscible liquids with different boiling points. Signup and view all the answers

How is filtration different from evaporation in the context of separation processes?

Filtration is used to separate an insoluble solid from a liquid, while evaporation is used to separate a solute from a solution. Signup and view all the answers

Explain the principle behind chromatography and its application.

Chromatography is used to separate soluble solids such as food colorings or plant pigments based on their differential affinities to a stationary phase and a mobile phase. Signup and view all the answers