IGCSE Chemistry 0620 Paper 2 Multiple Choice Extended Sample 2023
This paper captures the fast-paced, multi-concept thinking you'll need in the real IGCSE Chemistry exam hall—testing whether you can spot the right answer in seconds, even when three others look tempting. You'll work through 15 questions spanning atomic structure and bonding, reaction kinetics and energetics, and practical separation techniques, mixing straightforward recall with tricky scenarios that punish careless reading. It mirrors Cambridge's Paper 2 style across Year 11 Extended Chemistry, so you'll build speed and confidence on the exact question types that appear on results day. By the end, you'll have a clear sense of which topics still need sharpening and which facts you can rely on without hesitation.
Questions in this quiz
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- Question 1
Which statement best explains why sodium chloride has a high melting point?
- Question 2
An atom of element X has the electron configuration 2, 8, 7. What type of bond will element X most likely form?
- Question 3
The diagram shows the arrangement of atoms in a metallic element. Which property of metals is best explained by this arrangement?
- Question 4
Which of the following correctly describes the relationship between surface area and reaction rate?
- Question 5
A student carries out an experiment to measure the effect of temperature on the rate of decomposition of hydrogen peroxide using a catalyst. Which variable should be kept constant to ensure a fair test?
- Question 6
An exothermic reaction releases 50 kJ of heat energy. What is the enthalpy change (ΔH) for this reaction?
- Question 7
Which statement correctly relates activation energy to the effect of a catalyst?
- Question 8
In a chromatography experiment, the solvent front moves 10 cm up the paper and a particular dye travels 6 cm. What is the Rf value for this dye?
- Question 9
Which method would be most suitable for separating a mixture of salt and water?
- Question 10
A saturated solution of potassium nitrate is cooled from 50°C to 10°C. What will happen?
- Question 11
Why is distillation suitable for separating a mixture of ethanol and water?
- Question 12
In an experiment, iron filings are added to copper sulfate solution. A displacement reaction occurs. Which of the following correctly describes what happens?
- Question 13
The collision theory explains why increasing the concentration of reactants increases the reaction rate. Which statement best supports this explanation?