Exam (elaborations)
aqa A-level BIOLOGY Paper 2 (7402/2) JUNE 2023 QUESTION PAPER
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aqa A-level BIOLOGY Paper 2 (7402/2) JUNE 2023 QUESTION PAPER . 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 materials to separate the photosynthetic pigments by chromatography. Using solvent A, the student separated five pigments. She then repeated her method using a different solvent, B. Using solvent B, she separated six pigments. Explain the difference between these results.
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Institution
A-LEVEL BIOLOGY
Course
A-LEVEL BIOLOGY
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Written for
- Institution
- A-LEVEL BIOLOGY
- Course
- A-LEVEL BIOLOGY
Document information
- Uploaded on
- February 27, 2024
- Number of pages
- 41
- Written in
- 2023/2024
- Type
- Exam (elaborations)
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- Only questions
Subjects
- aqa a level biology
- aqa a level
- a level biology paper 2
- aqa biology paper 2 74022
- a level biology
- biology
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aqa a level biology paper 2 74022
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aqa a level biology paper 2
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