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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-FA-0011 markL1 FoundationCalculatorCrude oil
The main constituent of natural gas is
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-FA-0021 markL1 FoundationCalculatorCrude oil
Crude oil is separated by
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-FA-0041 markL1 FoundationCalculatorCrude oil
Bitumen is used for
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-FA-0121 markL1 FoundationCalculatorCrude oil
Fossil fuels are
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-FA-0031 markL2 StandardCalculatorCrude oil
Compared with petrol, fuel oil molecules are
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-FA-0051 markL2 StandardCalculatorCombustion
Incomplete combustion of methane produces
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-FA-0061 markL2 StandardCalculatorCombustion
Balance: C3H8+_ O2→3CO2+4H2O\mathrm{C_3H_8+\_\,O_2\rightarrow3CO_2+4H_2O}. What is the coefficient of O2\mathrm{O_2}?

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Salam Academy Original Practice · Proposed mark scheme
SA-OC-FA-0071 markL2 StandardCalculatorSubstitution
Methane reacts with chlorine in
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-FA-0081 markL2 StandardCalculatorSubstitution
The products of CH4+Cl2\mathrm{CH_4+Cl_2} in UV light are
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-FA-0091 markL2 StandardCalculatorCrude oil
Fractional distillation works because the hydrocarbons have different
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-FA-0101 markL2 StandardCalculatorCombustion
Why is incomplete combustion dangerous indoors?
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-FA-0113 marksL3 ExamCalculatorCombustion
CH4+2O2→CO2+2H2O\mathrm{CH_4+2O_2\rightarrow CO_2+2H_2O}. What volume of CO2\mathrm{CO_2}, in dm3\mathrm{dm^3} at r.t.p., is produced by burning 8.08.0 g of methane (Mr=16M_r=16)?

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Salam Academy Original Practice · Proposed mark scheme