Question 18
Question 18 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
2. Thermal physics
2.2.1. Thermal expansion of solids,...

Explain, in terms of the motion and arrangement of particles, the relative order of magnitudes of the expansion of solids, liquids and gases as their temperatures rise

2. Thermal physics
2.3.2. Convection

Explain convection in liquids and gases in terms of density changes and describe experiments to illustrate convection

2. Thermal physics
2.2.3. Melting, boiling and evapora...

Describe melting and boiling in terms of energy input without a change in temperature