logo

Cambridge IGCSE Combined Science practice

Paper 3 structured question: Chromatography

Try the question first, then check the answer and practise the same topic again.

Attempt questionChromatography revisionRevise the key idea

At a glance

3

Paper

2

Marks

Topic

Chromatography

Exam-style question

Try this first

Paper 3Theory (Core)2 marks

A student performs chromatography on a mixture of dyes and obtains a chromatogram with three distinct spots.

Description

Chromatogram Analysis

The chromatogram shows three spots labeled A, B, and C. Spot A is higher than spots B and C.

  1. a

    Analyse Discuss what the presence of three spots indicates about the mixture.

    Aim for approximately 2 distinct marking points.

    [2]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 3 structured question: Chromatography

Paper 3Theory (Core)1 marks

Description

Chromatogram Result

The chromatogram indicates that the substance has not separated into different components.

  1. a

    Analyse What can be concluded about the purity of the substance based on the chromatogram?

    Aim for approximately 1 distinct marking point.

    [1]