What is a composite?
Two different materials combined, one reinforcing the other
An alloy made by melting a metal and mixing in other elements
A polymer made by joining two different monomers
A compound formed when two elements react together
36 exam-style questions on Edexcel GCSE Chemistry 10.5 Bulk and surface properties of matter including nanoparticles, covering 10.5.1 Nanoparticles: size, uses and risks and 10.5.2 Comparing and selecting materials. Each one has a worked solution and a mark scheme showing where the marks go.