Jewellery is often made from gold alloys, such as 18-carat gold, rather than pure 24-carat gold.
Give two reasons why jewellery is made from gold alloys rather than pure gold.
97 exam-style questions on Edexcel GCSE Chemistry 6.1 Transition metals, alloys and corrosion, covering 6.1.1 Properties of transition metals, 6.1.2 Corrosion and its prevention, and 6.1.3 Alloys and the uses of metals. Each one has a worked solution and a mark scheme showing where the marks go.