Quiz
AQA (9-1) Topic 7
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Fragen in diesem Quiz (12)
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- Awater
- Bhydrogen
- Coxygen
- Dcarbon
- Eair
- FComplete
- GIncomplete
- Hcarbon monoxide
- Icarbon dioxide
2Which of the following is not a hydrocarbon?
- AEthane
- BPropene
- CMethanol
- DButane
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. - AFractional distillation
- BDistillation
- CCrystallisation
- Dmixture
- Ecompound
- Fselection
- Gcompounds
- Hmixtures
- Iheated
- Jcooled
- Krise
- Lsink
- Mcooler
- Nhotter
- Oboiling
- Pmelting
- Qfractions
- Rhalves
- Squarters
- Tlonger
- Ushorter
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)
- A1
- B1.2
- C1.4
- D1.6
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.
- AA compound with 2 carbon atoms, and 6 hydrogen atoms.
- BA compound with 6 carbon atoms, and 12 hydrogen atoms.
- CA compound with 1 carbon atom, and 4 hydrogen atoms.
- DA compound with 3 carbon atoms, and 8 hydrogen atoms.
- EA compound with 4 carbon atoms, and 8 hydrogen atoms.
- FA compound with 10 carbon atoms, and 22 hydrogen atoms.
6The test for alkenes is to add bromine water to an alkene, and it will turn from an orange colour to colourless.
- ARichtig
- BFalsch
7Which of the following is not something chemicals in a homologous series have in common:
- Athey have the same general formula
- Bdiffer by one oxygen atom in molecular formulae from neighbouring compounds
- Cshow a gradual variation in physical properties
- Dhave similar chemical properties
8Because alkanes only contain [blank_start]single[blank_end] bonds between atoms, we describe them as saturated compounds.
- Asingle
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.
- Asaturated
- Bunsaturated
- Calkanes
- Dalkenes
- Ealkane
- Falkene
- Gan unsaturated
- Ha saturated
10The process of cracking is a thermal decomposition.
- ARichtig
- BFalsch
11Select all the ways below that hydrocarbons can be cracked.
- ALarge chain hydrocarbons are heated and passed over a hot catalyst
- BLarge chain hydrocarbons are heated and are reacted with steam.
- CLarge chain hydrocarbons are heated and cooled down extremely quickly
- DLarge chain hydrocarbons are reacted with hydrogen gas with a catalyst present
12[blank_start]gas[blank_end] is used in domestic heating and cooking
[blank_start]bitumen[blank_end] is used to surface roads and roofs
[blank_start]kerosene[blank_end] is used as fuel for aircraft
[blank_start]petrol (gasoline)[blank_end] is used as fuel for cars
[blank_start]fuel oil[blank_end] is used as fuel for large ships and power stations
[blank_start]diesel oil[blank_end] is used as fuel for some cars and trains- Agas
- Bbitumen
- Ckerosene
- Dpetrol (gasoline)
- Efuel oil
- Fdiesel oil
Informationen
- 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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