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Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

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12 questions

SA-OC-CB-0011 markL1 FoundationCalculatorCovalent bonds
A covalent bond is
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-CB-0021 markL1 FoundationCalculatorCovalent bonds
How many covalent bonds does a carbon atom form in methane, CH4\mathrm{CH_4}?

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Salam Academy Original Practice · Proposed mark scheme
SA-OC-CB-0041 markL1 FoundationCalculatorCovalent bonds
Which molecule contains a triple bond?
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-CB-0051 markL1 FoundationCalculatorProperties
Simple molecular substances have low boiling points because
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-CB-0071 markL1 FoundationCalculatorProperties
Simple molecular substances do not conduct electricity because
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-CB-0121 markL1 FoundationCalculatorCovalent bonds
Covalent bonds form between
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-CB-0031 markL2 StandardCalculatorCovalent bonds
How many lone pairs of electrons are on the oxygen atom in a water molecule?

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Salam Academy Original Practice · Proposed mark scheme
SA-OC-CB-0061 markL2 StandardCalculatorProperties
When liquid bromine, Br2\mathrm{Br_2}, boils,
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-CB-0081 markL2 StandardCalculatorCovalent bonds
How many electrons are shared in total between the two atoms in a nitrogen molecule, N2\mathrm{N_2}?

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Salam Academy Original Practice · Proposed mark scheme
SA-OC-CB-0091 markL2 StandardCalculatorProperties
Which alkane has the highest boiling point?
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-CB-0101 markL2 StandardCalculatorCovalent bonds
How many double bonds are there in a molecule of carbon dioxide, CO2\mathrm{CO_2}?

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Salam Academy Original Practice · Proposed mark scheme
SA-OC-CB-0111 markL3 ExamCalculatorCovalent bonds
In a molecule of ammonia, NH3\mathrm{NH_3}, the nitrogen atom has
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Salam Academy Original Practice · Proposed mark scheme