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QA CHEMISTRY PAPER 2|| ACTUAL EXAM QUESTIONS WITH ANSWERS 2026

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QA CHEMISTRY PAPER 2|| ACTUAL EXAM QUESTIONS WITH ANSWERS 2026

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QA CHEMISTRY PAPER 2|| ACTUAL
EXAM QUESTIONS WITH ANSWERS
2026



methane - correct-answer -CH₄




ethane - correct-answer -C₂H₆




propane - correct-answer -C₃H₈




butane - correct-answer -C₄H₁₀




meth- - correct-answer -1 carbon atom

,2|Page




eth- - correct-answer -2 carbon atoms




prop- - correct-answer -3 carbon atoms




but- - correct-answer -4 carbon atoms




flammable - correct-answer -capable of being easily set on fire; combustible




viscosity - correct-answer -a measure of the resistance of a liquid to flow




volatility - correct-answer -a measure of how readily a substance vaporises

, 3|Page




complete combustion - correct-answer -Excess oxygen is required, and it

produces CO₂(g) + H₂O(g).




incomplete combustion - correct-answer -Limited oxygen is available, and it

produces CO₂ (g) + CO(g) + C(s) + H₂O(g)




thermal decomposition - correct-answer -The breaking up of a chemical

substance by heating into at least two chemical substances.




cracking - correct-answer -The process of breaking large hydrocarbon molecules

into smaller ones




alkene - correct-answer -A hydrocarbon containing one double bond between

two adjacent carbon atoms.

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