Subsection 12.3. Chromatography for Chemistry, IGCSE - revisedeck

12.3. Chromatography

A subsection of Chemistry, 0620, through 12. Experimental techniques and chemical analysis

Listing 10 of 117 questions

The paper chromatogram below was obtained from four different dyes. Which dye has an Rf value of 0.7?

0620_s16_qp_21

MCQ

2016

Paper 2, Variant 1

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In the chromatography experiment shown...

0620_s16_qp_22

MCQ

2016

Paper 2, Variant 2

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X is a mixture of colourless compounds. The diagram shows a chromatogram of X and of three pure compounds, P, Q and R. X P Q R Which statement is not correct?

0620_s16_qp_22

MCQ

2016

Paper 2, Variant 2

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Chromatography experiments are carried out on four substances, P, Q, R and S. The same solvent is used in each experiment. The resulting chromatograms are shown...

0620_s16_qp_23

MCQ

2016

Paper 2, Variant 3

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The diagram shows the apparatus used to separate the different components of a mixture by chromatography. baseline solvent spot solvent front chromatography paper Which statement about this experiment is correct?

0620_s16_qp_23

MCQ

2016

Paper 2, Variant 3

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A chromatogram obtained from the chromatography of four substances is shown...

0620_s17_qp_21

MCQ

2017

Paper 2, Variant 1

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The diagram shows a chromatogram of four substances. Which substance has an Rf value of approximately 0.32?

0620_s17_qp_22

MCQ

2017

Paper 2, Variant 2

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A student used chromatography to analyse a green food colouring. The chromatogram obtained is shown...

0620_s17_qp_23

MCQ

2017

Paper 2, Variant 3

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How can the amino acids in a protein be separated and identified?

0620_s17_qp_23

MCQ

2017

Paper 2, Variant 3

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Chromatography is a technique used to separate coloured dyes. Which dye has an Rf value of 0.7?

0620_s18_qp_21

MCQ

2018

Paper 2, Variant 1

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Questions Discovered

117