Alkanes & Crude Oil quiz Loading... 1. What is a fuel?A fuel is a liquid used in electrolysisA fuel is a substance that, when burned, releases heat energyA fuel is a substance that is used to power vehiclesA fuel is a substance that contains chemical energyQuestion 1 of 22 Loading... 2. What is the name of the process in which crude oil is separated into its various components?FiltrationFractional distillationCrystallisationSimple distillationQuestion 2 of 22 Loading... 3. A pupil has tried to write down various ways of representing ethane using: molecular formula, displayed formula, general formula, empirical formula and stuctural formula. However she has missed one out. Which one?general formulamolecular formulaempirical formulastructural formulaQuestion 3 of 22 Loading... 4. Name this moleculebutanepolybut-1-ene2-methylpropenebut-2-eneQuestion 4 of 22 Loading... 5. A student names this molecule 2-ethylpentane. Which of these statements is true about the student's naming of the molecule?The student is correct and deserves a tuck-shop voucher.The student is wrong. The correct name is 4-methylhexane.The student is wrong. The correct name is 3-methylhexane.The student is wrong. The correct name is 1-methyl-1-ethylbutane.Question 5 of 22 Loading... 6. Why are alkanes classified as saturated hydrocarbons?They are usually solids at room temperatureThey contain only single bondsThey are toxic substancesThey do not react easilyQuestion 6 of 22 Loading... 7. How does sulfur dioxide form in car engines?Acid rain causes some sulfur impurities to get into the car engine, and when the petrol combusts some sulfur dioxide is formedThe metals the car is made from contain some impurities of sulfur and when the engine heats up, some sulfur dioxide is formedPetrol includes the impurity sulfur, and when the petrol combusts some sulfur dioxide is formedWhen the petrol combusts the sulfur dioxide impurities are left behindQuestion 7 of 22 Loading... 8. What is the molecular formula for propane?C₅H₁₂C₃H₆C₃H₈C₅H₁₀Question 8 of 22 Loading... 9. Write the chemical equation for sulfur dioxide dissolving in water to form acid rainSO₂ + 2H₂O → H₂SO₄ + H₂2SO₂ + 2H₂O → 2H₂SO₂ + O₂ SO₂ + H₂O → H₂SO₃SO₂ + H₂O → H₂SO + H₂O₂ Question 9 of 22 Loading... 10. What is crude oil?A mixture of alkanesAn oily liquidA mixture of hydrocarbonsA mixture of alcoholsQuestion 10 of 22 Loading... 11. Recall the products of the complete combustion of alkanesCarbon dioxide and waterCarbon monoxide and waterCarbon and waterWater and oxygenQuestion 11 of 22 Loading... 12. If a substance has a simple molecular structure, what physical state might it be at room temperature?Solid or liquidGas or liquidSolidAny stateQuestion 12 of 22 Loading... 13. Name the greenhouse gas released from burning hydrocabonswater vapourmethanesootcarbon dioxideQuestion 13 of 22 Loading... 14. State the general formula of alkanesC₂ₙH₂ₙ₊₂ CₙH₂ₙCₙHₙ₊₁CₙH₂ₙ₊₂ Question 14 of 22 Loading... 15. Recall a use of bitumenFuel for lorriesFuel for aeroplanesFuel for shipsSurfacing roadsQuestion 15 of 22 Loading... 16. What do each of the following state symbols represent: (s), (l), (g), (aq)(s) - solution. (l) - liquid. (g) - gas. (aq) - water(s) - solid. (l) - liquid. (g) - gas. (aq) - aqueous (in solution)(s) - solid. (l) - liquid. (g) - gas. (aq) - water(l) - solid. (g) - liquid. (s) - gas. (aq) - aqueous (in solution)Question 16 of 22 Loading... 17. Which fraction of crude oil is the most viscous?BitumenFuel oilRefinery gasesKeroseneQuestion 17 of 22 Loading... 18. Explain the term isomerismAtoms with the same number of protons but different numbers of neutronsCompounds with the same empirical formula but different molecular formulasSolutions with the same ratio of ions but different concentrationsMolecules with the same molecular formula but with a different structureQuestion 18 of 22 Loading... 19. Explain why carbon monoxide is dangerous to humansIt is poisonous because it reduces the capacity of the blood to carry oxygenIt is poisonous because it blocks surfaces for gas exchangeIt is poisonous because it poisons the bloodstreamIt is poisonous because it blocks blood flowQuestion 19 of 22 Loading... 20. Explain the term hydrocarbonA hydrocarbon is a molecule that comes from crude oilA hydrocarbon is an organic moleculeA hydrocarbon is a molecule that is in a homologous seriesA hydrocarbon is a molecule containing only hydrogen and carbonQuestion 20 of 22 Loading... 21. Do larger molecules have higher or lower boiling points than smaller molecules?LowerIt depends on which atoms are presentSize doesn\'t affect boiling pointHigherQuestion 21 of 22 Loading... 22. In car engines, sparks cause the formation of some gases which contribute to acid rain. What are these gases?oxides of sulfurOxides of nitrogenrefinery gasescarbon monoxideQuestion 22 of 22 Loading... Related Posts:The entire quiz question bank!The entire quiz question bank (Double only)!Key Calculations quizEquilibria (triple) quizCondensation Polymers quizElectrolysis quiz Hydr0Gen2020-02-16T16:34:17+00:00Categories: Uncategorized|Tags: Quiz, Topic: Alkanes & Crude Oil| Share This Story, Choose Your Platform! 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