The temperature of a sample of helium gas inside a weather balloon is 258 K.
Which of the following is equivalent to a temperature of 258 K?
−15 ∘C-15\ ^\circ\text{C}−15 ∘C
15 ∘C15\ ^\circ\text{C}15 ∘C
258 ∘C258\ ^\circ\text{C}258 ∘C
531 ∘C531\ ^\circ\text{C}531 ∘C
38 exam-style questions on Edexcel GCSE Physics 14.3 Gas pressure and temperature. Each one has a worked solution and a mark scheme showing where the marks go.