A technician places equal-sized samples of soda-lime glass and borosilicate glass in the same furnace. The furnace temperature is increased slowly from room temperature.
Suggest what the technician would observe as the temperature increases.
The soda-lime glass starts to melt while the borosilicate glass is still solid.
Both glass samples crack into small pieces before either of them melts.
Both glass samples start to melt at the same furnace temperature.
The borosilicate glass starts to melt while the soda-lime glass is still solid.
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.