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
321 exam-style questions on CIE IGCSE Physics 2.1 Kinetic particle model of matter, covering 2.1.1 States of matter and changes of state, 2.1.2a Particle structure and motion in solids, liquids and gases, 2.1.2b Gas pressure and particle collisions, 2.1.2c Brownian motion, 2.1.3a The absolute scale of temperature, and 2.1.3b Pressure, volume and temperature of a gas. Each one has a worked solution and a mark scheme showing where the marks go.