Chromatography (Edexcel GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is chromatography used for?
What is chromatography used for?
Separating mixtures into compounds
What is the analyte in chromatography?
What is the analyte in chromatography?
The mixture of chemicals to separate
What is the stationary phase?
What is the stationary phase?
A solid material that stays still
What is the mobile phase?
What is the mobile phase?
A liquid or gas that moves
How do chemicals strongly attracted to the stationary phase move?
How do chemicals strongly attracted to the stationary phase move?
They move slowly
How do chemicals weakly attracted to the stationary phase move?
How do chemicals weakly attracted to the stationary phase move?
They move quickly
In paper chromatography, what acts as the stationary phase?
In paper chromatography, what acts as the stationary phase?
Chromatography paper
In paper chromatography, what is used as the mobile phase?
In paper chromatography, what is used as the mobile phase?
A solvent like water or alcohol
How far do more polar chemicals move in paper chromatography?
How far do more polar chemicals move in paper chromatography?
A shorter distance