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AQA (9-1) Topic 7

https:// revisechemistry.uk 12 Fragen 3.554 Aufrufe Aktualisiert am 16 Apr 2019

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  1. 1Identify the missing reactants/products for complete and incomplete combustion:

    [blank_start]Complete[blank_end] combustion:
    fuel + oxygen → carbon dioxide + [blank_start]water[blank_end]

    [blank_start]Incomplete[blank_end] combustion:
    fuel + [blank_start]oxygen[blank_end] → [blank_start]carbon monoxide[blank_end] and water
    1. Awater
    2. Bhydrogen
    3. Coxygen
    4. Dcarbon
    5. Eair
    6. FComplete
    7. GIncomplete
    8. Hcarbon monoxide
    9. Icarbon dioxide
  2. 2Which of the following is not a hydrocarbon?
    1. AEthane
    2. BPropene
    3. CMethanol
    4. DButane
  3. 3[blank_start]Fractional distillation[blank_end] is the process of separating crude oil into its different compounds. Crude oil is a [blank_start]mixture[blank_end] of [blank_start]compounds[blank_end], and is pretty useless by itself.

    1. Crude oil is [blank_start]heated[blank_end] as it enters the fractionating column.
    2. The crude oil is evaporated/vaporised, and begins to [blank_start]rise[blank_end].
    3. The top of the column is [blank_start]cooler[blank_end] than the bottom.
    4. As the gases rise they begin to condense as they reach their [blank_start]boiling[blank_end] point.
    5. The different molecules will condense into [blank_start]fractions[blank_end] of molecules with similar boiling points.
    6. The [blank_start]longer[blank_end] the hydrocarbon chain, the higher the boiling point - so will collect near the bottom of the column. 
    1. AFractional distillation
    2. BDistillation
    3. CCrystallisation
    4. Dmixture
    5. Ecompound
    6. Fselection
    7. Gcompounds
    8. Hmixtures
    9. Iheated
    10. Jcooled
    11. Krise
    12. Lsink
    13. Mcooler
    14. Nhotter
    15. Oboiling
    16. Pmelting
    17. Qfractions
    18. Rhalves
    19. Squarters
    20. Tlonger
    21. Ushorter
  4. 4Four unknown alkanes had their viscosities compared, and they are listed below. Pick the chemical that would be described as the "thickest" liquid, or the one that flows most slowly. (The higher the number, the greater the viscosity)
    1. A1
    2. B1.2
    3. C1.4
    4. D1.6
  5. 5A hydrocarbon is a molecule that contains only hydrogen and carbon atoms. Alkanes and alkenes are two homologous series of hydrocarbons. Select below which compounds are ALKANES.
    1. AA compound with 2 carbon atoms, and 6 hydrogen atoms.
    2. BA compound with 6 carbon atoms, and 12 hydrogen atoms.
    3. CA compound with 1 carbon atom, and 4 hydrogen atoms.
    4. DA compound with 3 carbon atoms, and 8 hydrogen atoms.
    5. EA compound with 4 carbon atoms, and 8 hydrogen atoms.
    6. FA compound with 10 carbon atoms, and 22 hydrogen atoms.
  6. 6The test for alkenes is to add bromine water to an alkene, and it will turn from an orange colour to colourless.
    1. ARichtig
    2. BFalsch
  7. 7Which of the following is not something chemicals in a homologous series have in common:
    1. Athey have the same general formula
    2. Bdiffer by one oxygen atom in molecular formulae from neighbouring compounds
    3. Cshow a gradual variation in physical properties
    4. Dhave similar chemical properties
  8. 8Because alkanes only contain [blank_start]single[blank_end] bonds between atoms, we describe them as saturated compounds.
    1. Asingle
  9. 9Cracking involves the breaking down of larger, [blank_start]saturated[blank_end] hydrocarbon molecules ([blank_start]alkanes[blank_end]) into smaller, more useful ones: an shorter saturated [blank_start]alkane[blank_end], and [blank_start]an unsaturated[blank_end] alkene.
    1. Asaturated
    2. Bunsaturated
    3. Calkanes
    4. Dalkenes
    5. Ealkane
    6. Falkene
    7. Gan unsaturated
    8. Ha saturated
  10. 10The process of cracking is a thermal decomposition.
    1. ARichtig
    2. BFalsch

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Beschreibung
GCSE Chemistry (AQA) Quiz am AQA (9-1) Topic 7, erstellt von https:// revisechemistry.uk am 03/03/2018.
Sprache
English
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3.554
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Erstellt am 3 Mär 2018 · aktualisiert am 16 Apr 2019
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