Chemistry 5070 · O Level · Solids, liquids and gases
Solids, liquids and gases — practice question
Three colourless gases A, B and C are given with the following properties:
Gas A: denser than air, soluble in water.
Gas B: denser than air, insoluble in water.
Gas C: less dense than air, soluble in water.
Three collections of apparatus, P, Q and R, for collecting gases are shown.
(a)[1]
State which apparatus set P, Q or R is the most suitable for collecting gas A.
(b(i))[1]
R is used to collect gas B. State why Q is not chosen to collect gas B.
(b(ii))[1]
State why R is more suitable than P for collecting gas B.
(c)[1]
State why R is not used to collect gas C.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “P” …