5659364
Frage 1
Frage
Write the correct general formula for Alkanes (no spaces!)
C[blank_start]n[blank_end]H[blank_start]2n+2[blank_end]
Antworten
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n
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2n+2
Frage 2
Frage
Write the correct general formula for Cycloalkanes (no spaces!)
C[blank_start]n[blank_end]H[blank_start]2n[blank_end]
Antworten
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n
-
2n
Frage 3
Frage
Complete these stages of the Fractional Distillation of Crude Oil:
Crude oil is vaporised at [blank_start]350[blank_end]C.
Crude oil goes into the Fractionating [blank_start]Column[blank_end] and rises up through it.
As the crude oil ascends, it cools and the various fractions are drawn off according to their boiling points.
[blank_start]Larger[blank_end] fractions don't evaporate at all but run out of the bottom.
[blank_start]Smaller[blank_end] fractions are drawn off as [blank_start]gases[blank_end] out of the top of the column.
Antworten
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350
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250
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1050
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750
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gases
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liquids
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solids
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Column
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Chimney
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Tube
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Pipe
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Larger
-
Smaller
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Smaller
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Larger
Frage 4
Frage
The possible products of Cracking are:
Antworten
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a Haloalkane
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an Alkane
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an Alkene
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an Amine
Frage 5
Antworten
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takes place at high temperatures (1000C)
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produces a lot of Alkenes
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requires the presence of a zeolite catalyst
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requires a slight pressure
Frage 6
Antworten
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takes place at high temperatures (1000C)
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requires the presence of a zeolite catalyst
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requires slight pressure
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produces a lot of Alkenes
Frage 7
Frage
Ethene is burnt completely in the presence of oxygen.
Select the correct equation for this reaction.
Antworten
Frage 8
Frage
Ethene is burnt incompletely in the presence of oxygen to form a gaseous, poisonous product.
Select the correct equation for this reaction.
Antworten
Frage 9
Frage
Ethene is burnt incompletely to form a solid product.
Select the correct equation for the reaction.
Antworten
Frage 10
Antworten
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Water Vapour
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Carbon Dioxide
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Methane
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Hydrogen
Frage 11
Frage
Oxides of Nitrogen are produced when high pressure and temperature cause the nitrogen and oxygen atoms in the air to react.
Antworten
- True
- False
Frage 12
Frage
A Photochemical Smog is formed when unburned Hydrocarbons (Volatile Organic Compounds) and Nitrogen Oxides react in the presence of sunlight.
Antworten
- True
- False
Frage 13
Frage
Ground-Level Ozone is a minor component of Photochemical Smog.
Antworten
- True
- False
Frage 14
Frage
Select all the negative effects of Ozone.
Antworten
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It irritates the eyes
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It aggravates circulatory problems
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It causes lung damage
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It causes skin cancer
Frage 15
Frage
Which metals could the catalyst in a Catalytic Converter be made of?
Antworten
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Platinum
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Rhodium
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Magnesium
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Palladium
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Lead
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Aluminium
Frage 16
Frage
Which reactions will the catalyst in a Catalytic Converter promote?
Antworten
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Reduction of Nitrogen Oxides
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Oxidation of unburned Hydrocarbons
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Oxidation of Carbon Dioxide
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Reduction of Carbon Monoxide
Frage 17
Frage
Why do larger hydrocarbons have a higher boiling point than smaller ones?
Antworten
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There are more Van der Waal's forces between the molecules
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They are heavier
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There are more atoms to give energy to
Frage 18
Frage
The alkaline slurry used to remove Sulfur Dioxide from flue gases can be made of:
Antworten
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Calcium Carbonate
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Calcium Oxide
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Calcium Chloride
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Calcium Hydroxide
Frage 19
Frage
Acid Rain is formed when Sulfur Dioxide reacts with the water in the clouds to form Sulfuric Acid.
Antworten
- True
- False
Frage 20
Frage
Select all the effects that Acid Rain has on the environment.
Antworten
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Destruction of vegetation
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Corrosion of limestone buildings and statues
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Alkalisation of lakes
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Initiation of landslides
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