Phytomining is an alternative biological extraction technique used to harvest transition metals, such as nickel, from low-grade ores using hyperaccumulating plants.
State one major disadvantage of utilizing phytomining compared to traditional pyrometallurgical extraction methods.
110 exam-style questions on Edexcel GCSE Chemistry 5.1 Obtaining and using metals, covering 5.1.1 The reactivity series of metals, 5.1.2 Displacement reactions as redox reactions, 5.1.3 Extracting metals from ores by reduction, 5.1.4 Biological methods of metal extraction, 5.1.5 Resistance to oxidation and recycling metals, and 5.1.6 Life cycle assessment. Each one has a worked solution and a mark scheme showing where the marks go.