Cambridge IGCSE Chemistry 0620 Paper 2 Sample 2024
Atomic structure, bonding, and moles are tested relentlessly on extended papers — get these foundations rock-solid and you'll unlock answers to electrochemistry, energetics, and organic synthesis questions without re-deriving everything. This sample paper includes 20 questions spanning states of matter, periodic table trends, ionic and covalent bonding, stoichiometry, acids and bases, and organic building blocks. It's designed for Year 11 students working through the full Cambridge IGCSE Chemistry 0620 curriculum. Work through this paper under timed conditions, then study the worked solutions and flashcards to plug any gaps before your real exam.
Questions in this quiz
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- Question 1
Which electron configuration represents an atom of chlorine (Cl)?
- Question 2
Sodium and chlorine combine to form an ionic compound. Which statement is correct?
- Question 3
Which property is characteristic of ionic compounds?
- Question 4
What is the molar mass of CaCO₃? (Ca = 40, C = 12, O = 16)
- Question 5
A sample of oxygen gas has a mass of 16 g. How many moles of O₂ are present? (Molar mass of O₂ = 32 g/mol)
- Question 6
In a covalent bond between two atoms, electrons are:
- Question 7
Which statement about the periodic table is correct?
- Question 8
In the electrolysis of molten NaCl, what is produced at the cathode?
- Question 9
Which change occurs when a substance melts?
- Question 10
The reaction 2H₂ + O₂ → 2H₂O is exothermic. This means:
- Question 11
Which indicator changes color in an acidic solution?
- Question 12
What is the general formula for alkanes?
- Question 13
Which property distinguishes alkenes from alkanes?
- Question 14
Ethanol and ethanoic acid both contain carbon, hydrogen, and oxygen. How do they differ structurally?
- Question 15
An acid reacts with a base to form a salt and water. What type of reaction is this?
- Question 16
When heated, calcium carbonate decomposes. What are the products?
- Question 17
Which statement about metallic bonding is correct?
- Question 18
A solution has a pH of 2. Which statement is correct?
- Question 19
What is the empirical formula of a compound with the molecular formula C₆H₁₂O₆?