What this tests
Syllabus point 1.1 — Solids, liquids and gases, in States of matter. Difficulty hard (estimated from the question's demands, not a Cambridge rating).
Also set in
The same question, as Cambridge printed it in other papers.
Cambridge IGCSE Chemistry 0620 · 1.1 Solids, liquids and gases
June 2020 · Paper 22 · Question 1
One real Cambridge question from States of matter, with the official answer. Cambridge has printed this question 4 times.