Exam (elaborations)
AQA A LEVEL BIOLOGY PAPER 2|7402/2 VERSION 1.0 FINAL QUESTION PAPERS & MERGED MARKING SCHEME | JUNE 2023
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A student used chromatography to separate the different photosynthetic pigments in a chlorophyll solution. She had the following materials. Chromatography paper A ruler and pencil Suitable glassware A solvent (solvent A) 2 cm3 of the chlorophyll solution Describe how she could use these mate...
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