A manufacturer makes batches of a fertiliser by mixing three ingredients. The quantities used are shown in the table.
| Batch | Ingredient A (kg) | Ingredient B (kg) | Ingredient C (kg) |
|---|---|---|---|
| P | 12 | 8 | 4 |
| Q | 24 | 16 | 8 |
| R | 24 | 16 | 12 |
Explain which batches have the same formulation and predict what could happen to the product if the proportion of one ingredient is changed.
113 exam-style questions on AQA GCSE Chemistry 8.1 Purity, formulations and chromatography, covering 8.1.1 Pure substances, 8.1.2 Formulations, and 8.1.3 Chromatography. Each one has a worked solution and a mark scheme showing where the marks go.