A centre punch is repeatedly struck with a hammer to make small dents in metal sheets. The centre punch is made from high-carbon steel rather than pure iron.
Suggest why high-carbon steel is used instead of pure iron for the centre punch.
118 exam-style questions on AQA GCSE Chemistry 10.3 Using materials, covering 10.3.1 Corrosion and its prevention, 10.3.2 Alloys as useful materials, and 10.3.3 Ceramics, polymers and composites. Each one has a worked solution and a mark scheme showing where the marks go.