A camera records a process through a glass viewing window in a high-temperature testing chamber. The window must remain solid when the chamber reaches 1500 ∘C1500\ ^\circ\text{C}1500 ∘C.
| Type of glass | Melting temperature in ∘C^\circ\text{C}∘C | Cost of one window in £ |
|---|---|---|
| Soda-lime | 1400 | 24 |
| Borosilicate | 1650 | 58 |
Suggest which type of glass should be used for the viewing window. Use all of the data in the table in your answer.
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.