Teacher LoginStart Learning
HomeFeaturesHow It WorksPricingResourcesGrammar Lab
Past PapersStart Learning
All chapters
Chemistry 1CH0 · Edexcel (Pearson) GCSE

Chromatography

3 past-paper questions on Chromatography · examined 2023–2023.

20233 questions

1CH0/1 · M/J · Q1(a)(i) [1]Sign up to mark my answer →

The chromatogram shows that only one of the inks contains a single dye. Which ink contains a single dye? (1) A W B X C Y D Z

1CH0/1 · M/J · Q1(a)(ii) [1]Sign up to mark my answer →

Which ink contains the greatest number of dyes? (1) A W B X C Y D Z

1CH0/1 · M/J · Q1(a)(iii) [2]Sign up to mark my answer →

The Rf value of a dye can be calculated using the equation Rf = distance moved by the dye / distance moved by solvent front. At the end of the chromatography one dye had moved 3.60 cm and the solvent front had moved 9.20 cm. Calculate the Rf value for this dye. Give your answer to 2 decimal places.

Go Pro to download this chapter as a topical PDF and search by AI.

AI Examiner

Don't just read the solution — get your own answer marked

Write your answer to any Chemistry past-paper question, photograph it, and Learning DEN marks it like a real examiner — marks awarded, where you lost them, and your predicted grade. 3 free gradings to start.

Mark my answer — freeSee plans