Cambridge IGCSE Chemistry 0620 Paper 2 Extended Sample 2021
This extended multiple-choice paper mirrors the structure and difficulty of the real IGCSE Chemistry Paper 2, testing your ability to apply knowledge across the entire syllabus under exam conditions. You'll face authentic questions on atomic structure, chemical bonding, stoichiometry, electrochemistry, and organic chemistry that demand not just recall but genuine reasoning. With 20 questions spanning four major syllabus strands, this paper gives you a realistic sense of the pacing and conceptual depth expected in June exams. Complete it in under 50 minutes to match exam timing, and by the end you'll see which topic areas need a second revision pass before the real thing.
Questions in this quiz
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- Question 1
An element has the electron configuration 2, 8, 7. Which of the following statements is correct?
- Question 2
Which of the following compounds contains only covalent bonds?
- Question 3
The atoms of a metal are held together by which type of force?
- Question 4
How many moles are there in 24.0 g of magnesium? (Relative atomic mass: Mg = 24)
- Question 5
The equation for the combustion of ethane is 2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O. If 6.0 mol of C₂H₆ is burned, how many moles of CO₂ are produced?
- Question 6
Which of the following processes is endothermic?
- Question 7
In a reversible reaction at equilibrium, which statement is true?
- Question 8
In the extraction of zinc by electrolysis of molten zinc chloride, what is produced at the cathode?
- Question 9
Which of the following is a redox reaction?
- Question 10
Which factor does NOT directly affect the rate of reaction?
- Question 11
A hydrochloric acid solution has a pH of 2. What is the pH of a solution made by diluting this acid with an equal volume of water?
- Question 12
Which of the following is a carboxylic acid?
- Question 13
What is the general formula for alkenes?
- Question 14
Which statement about alkenes is correct?
- Question 15
Copper is extracted from chalcocite (Cu₂S) by roasting in air and then smelting. Which of the following is the primary oxidation product formed during roasting?
- Question 16
A polymer is formed by the addition polymerisation of alkene monomers. Which of the following is true of the polymer?
- Question 17
Which of the following contains both ionic and covalent bonding?
- Question 18
An aqueous solution of sodium carbonate is alkaline. Which of the following explains this?