An extraction metallurgist wants to accelerate the leaching of copper from a heap of large chalcopyrite (copper ore) boulders using an acidic sulfate solution.
State how the metallurgist could increase the surface area of a given mass of these chalcopyrite boulders.
127 exam-style questions on Edexcel GCSE Chemistry 8.1 Rates of reaction, covering 8.1.1 Measuring and interpreting rates of reaction, 8.1.2 Collision theory and the factors affecting rate, and 8.1.3 Catalysts and enzymes. Each one has a worked solution and a mark scheme showing where the marks go.