Question 19
Question 19 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
2.2.3. Melting, boiling and evapora...

Describe latent heat as the energy required to change the state of a substance and explain it in terms of particle behaviour and the forces between particles

2. Thermal physics
2.2.2. Specific heat capacity

Define specific heat capacity as the energy required per unit mass per unit temperature increase; recall and use the equation specific heat capacity = change in energy / (mass × change in temperature), c = ΔE/(mΔθ)