IGCSE
EDEXCEL
Science
15 Marks
QP-Science-201905-P1CR · Question 3
Question (excerpt):
5 Turn over 3 A student uses paper chromatography to investigate the dyes in five different inks, V, W, X, Y and Z. This is what she uses. • a beaker • a piece of chromatography paper with a pencil li…
5 Turn over 3 A student uses paper chromatography to investigate the dyes in five different inks, V, W, X, Y and Z. This is what she uses. • a beaker • a piece of chromatography paper with a pencil li…
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