A student wishes to check the calibration of the lower fixed point on a Celsius liquid-in-glass thermometer.
What should the student do to check this point?
Place the bulb in a beaker of ice and salt.
Place the bulb in a beaker of pure melting ice.
Place the bulb in a beaker of boiling pure water.
Place the bulb in a beaker of cold tap water.
313 exam-style questions on CIE IGCSE Physics 2.2.3a Melting, boiling, condensation and solidification. Each one has a worked solution and a mark scheme showing where the marks go.