In an experiment, paper chromatography was used to separate the coloured dyes in four different inks, W, X, Y and Z - Edexcel - GCSE Chemistry - Question 1 - 2023 - Paper 1
Question 1
In an experiment, paper chromatography was used to separate the coloured dyes in four different inks, W, X, Y and Z.
(a) Figure 1 shows the chromatogram at the end ... show full transcript
Worked Solution & Example Answer:In an experiment, paper chromatography was used to separate the coloured dyes in four different inks, W, X, Y and Z - Edexcel - GCSE Chemistry - Question 1 - 2023 - Paper 1
Step 1
Which ink contains a single dye?
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Answer
From the chromatogram, it can be observed that only ink X shows a single spot, indicating that it contains a single dye. Therefore, the answer is B X.
Step 2
Which ink contains the greatest number of dyes?
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Answer
Looking at the chromatogram, ink W shows multiple spots indicating it contains a mixture of dyes. Therefore, the answer is A W.
