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.
Practise Edexcel GCSE Chemistry Transition metals, alloys and corrosion with exam-style questions for Foundation and Higher tier. 97 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.