Ammonium sulfate fertiliser can be made in a school laboratory or in industry.
Which statement correctly compares the two methods?
Industry uses a continuous process, and the laboratory uses a batch process.
Industry uses a batch process, and the laboratory uses a continuous process.
Industry uses dilute solutions, and the laboratory uses concentrated reactants.
Industry uses a slower reaction, and the laboratory uses a faster reaction.
136 exam-style questions on OCR GCSE Chemistry 6.1 Improving processes and products, covering 6.1.1 Extracting metals industrially and by electrolysis, 6.1.2 Life cycle assessment and recycling, 6.1.3 Biological methods of metal extraction, 6.1.4 The Haber process and the production of fertilisers, 6.1.5 Alloys and their uses, 6.1.6 Corrosion and its prevention, 6.1.7 Comparing and selecting materials, and 6.1.8 Industrial conditions, rate and position of equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.