IGCSE Chemistry (0620) — May–June 2024, Paper 53
3 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 19 marks · Rates of reaction (gas collection); experimental techniques
You are going to investigate the rate at which hydrogen gas is made when magnesium ribbon reacts with dilute ethanoic acid at two different temperatures. Read all of the…
Answer this question and get it marked →Question 2 · 15 marks · Qualitative analysis (identification of an unknown salt)
You are provided with one solid: solid K. Do the following tests on solid K, recording all of your observations at each stage. Tests on solid K (a) Transfer approximately half of…
Answer this question and get it marked →Question 3 · 6 marks · Experimental design (corrosion of iron / alloys)
Iron rusts slowly when exposed to water and air. There is an increase in mass when iron rusts as the insoluble solid hydrated iron(III) oxide forms. Cast iron, mild steel and…
Answer this question and get it marked →