CIE iGCSE Co-Ordinated Science C1.1 Solids, liquids and gases Exam Style Questions Paper 2
Question
The boiling point of ammonia is –33ºC. The temperature of a sealed flask containing ammonia is changed from –35º C to –30ºC.
Which row describes and explains the type of change that happens in the flask?
▶️Answer/Explanation
Ans : C
Question
Which properties are used to distinguish between solids and gases?
1 compressibility
2 melting point
3 flammability
(A) 1 and 2 only
(B) 1 and 3 only
(C) 2 and 3 only
(D) 1, 2 and 3
▶️Answer/Explanation
Ans: A
Question
Which change is represented by the diagram?
(A) condensation
(B) diffusion
(C) evaporation
(D) solidification
▶️Answer/Explanation
Ans: B
Question
In which substance are the particles closest together at room temperature?
(A) CO$_{2}$
(B) Ne
(C) N$_{2}$
(D) Zn
▶️Answer/Explanation
Ans: D