A sealed syringe is completely filled with a substance. When the piston is pushed with a steady force, the volume of the substance inside decreases to about half of its initial volume and then cannot be compressed any further.
What is inside the syringe?
a gas and a liquid
a liquid and a solid
a liquid only
a solid only
44 exam-style questions on CIE IGCSE Physics 2.1.1 States of matter and changes of state. Each one has a worked solution and a mark scheme showing where the marks go.