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Chemical Sciences Organic Chemistry Virtual Lab Experiments

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Aim

Theory

Self Evaluation

Procedure

Simulation

Assignment

References

Feedback

Separation of Compounds Using Column Chromatography

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Beginner

Intermediate

Advanced

What is the most common mobile phase in gas chromatography?

a: Krypton Explanation

Explanation

b: Benzene Explanation

Explanation

c: Hexane Explanation

Explanation

d: Helium Explanation

Explanation

What is a common stationary phase in column chromatography?

a: iron(III)chloride Explanation

Explanation

b: sodium sulfate Explanation

Explanation

c: magnesium oxide Explanation

Explanation

d: alumina Explanation

Explanation

After performing a recrystallization, where are the impurities found?

a: they evaporate Explanation

Explanation

b: In the filter paper Explanation

Explanation

c: On the surface of the pure crystals Explanation

Explanation

d: In the filtrate Explanation

Explanation

Gas chromatography is similar to?

a: Paper chromatography Explanation

Explanation

b: HPLC Explanation

Explanation

c: Column chromatography Explanation

Explanation

d: TLC Explanation

Explanation

Column chromatography is a

a: Liquid-gas technique Explanation

Explanation

b: Solid-solid technique Explanation

Explanation

c: Liquid-liquid technique Explanation

Explanation

d: Solid-liquid technique Explanation

Explanation

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