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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-AK-0011 markL1 FoundationCalculatorBromine water test
Bromine water added to an alkene turns
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AK-0021 markL1 FoundationCalculatorCracking
Cracking is used to
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AK-0121 markL1 FoundationCalculatorBromine water test
The general formula of alkenes is
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AK-0031 markL2 StandardCalculatorCracking
Cracking requires
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AK-0041 markL2 StandardCalculatorCracking
C10H22→C8H18+CxH4\mathrm{C_{10}H_{22}\rightarrow C_8H_{18}+C_xH_4}. Find xx.

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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AK-0052 marksL2 StandardCalculatorCracking
C14H30→C10H22+2C2Hy\mathrm{C_{14}H_{30}\rightarrow C_{10}H_{22}+2C_2H_y}. Find yy.

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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AK-0061 markL2 StandardCalculatorAddition
Ethene reacts with steam to form
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AK-0071 markL2 StandardCalculatorAddition
The catalyst for adding hydrogen to an alkene is
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AK-0081 markL2 StandardCalculatorAddition
The product of ethene and bromine is
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AK-0091 markL2 StandardCalculatorCracking
Cracking is needed because
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AK-0101 markL2 StandardCalculatorAddition
Alkenes are more reactive than alkanes because they
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Salam Academy Original Practice · Proposed mark scheme
SA-OC-AK-0111 markL3 ExamCalculatorAddition
Propene reacts with hydrogen bromide. The product has formula
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Salam Academy Original Practice · Proposed mark scheme