The table shows some properties of four materials, W, X, Y and Z. The materials are a metal, a polymer, glass and a clay ceramic.
| Material | Conducts electricity | Density / g cm−3\mathrm{g\,cm^{-3}}gcm−3 | Brittle | Transparent |
|---|---|---|---|---|
| W | yes | 7.9 | no | no |
| X | no | 0.9 | no | no |
| Y | no | 2.5 | yes | yes |
| Z | no | 2.3 | yes | no |
Use the table to answer these questions.
Give the letter of the material that is a metal.
Give the letter of the material that is glass.
Saucepans are made from metal. Give two reasons why metal is a suitable material for a saucepan.
The handle of a saucepan is made from a polymer. Explain why a polymer is used for the handle.
Plates are often made from a clay ceramic. Give one disadvantage of using a ceramic for plates.
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.