Exam (elaborations)
AQA GCSE COMBINED SCIENCE: TRILOGY H Higher Tier Chemistry Paper 2H 2023
In a chromatography experiment, a blue colour moved 4.77 cm. The solvent moved 5.30 cm. Calculate the Rf value for the blue colour. Black ink is a mixture of several colours. Plan an experiment using paper chromatography to: • separate the colours in black ink Crude oil is a mixture of ...
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