A potato cylinder changes from 5.60 g to 5.18 g after 40 minutes in salt solution. It is blotted before weighing.
Calculate the percentage mass change, including the sign.
[2 marks]AQA GCSE Combined Science: Trilogy · Foundation · Biology Paper 1
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Sit Biology Paper 1 Foundation, timed
- 8464/B/1F
- 1 hour 15 minutes
- 70 marks
- Cells, organisation, infection, bioenergetics
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AQA GCSE Combined Science: Trilogy Foundation, Biology Paper 1
- 8464/B/1F
- 1 hour 15 minutes
- 70 marks
- Cells, organisation, infection, bioenergetics
6 papers · 420 marks. Each paper tests its own topics. Ideas from earlier topics can still be needed. Questions here are original practice, not past papers.