Recent Lessons

Show all results for ""

5 Questions

2 Views

Master Paper Chromatography

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which technique is used to separate the different substances in a mixture?

Gas chromatography
Column chromatography
Paper chromatography (correct)
Thin layer chromatography

What is the purpose of the baseline in paper chromatography?

To separate the different dyes in an ink
To identify the different substances in a mixture
To hold the filter paper in place
To measure the distance traveled by the solvent (correct)

What is the mobile phase in paper chromatography?

The ink sample
The baseline
The filter paper
The solvent (correct)

What is the stationary phase in paper chromatography?

<p>The filter paper (C)</p> Signup and view all the answers

What are rf values used for in paper chromatography?

<p>To calculate the ratio of the distance traveled by the substance to the distance traveled by the solvent (C)</p> Signup and view all the answers

Flashcards

Paper Chromatography

A method used to separate different substances in a mixture based on their different affinities for the stationary and mobile phases.

Baseline in Paper Chromatography

The starting line on the paper where the mixture is applied.

Mobile Phase in Paper Chromatography

The liquid that carries the substances up the paper.

Stationary Phase in Paper Chromatography

The filter paper itself, which remains stationary.

Signup and view all the flashcards

Rf Value in Paper Chromatography

A value used to identify substances in paper chromatography, calculated by dividing the distance traveled by the substance by the distance traveled by the solvent.