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GCSE
Gcse Chemistry
Crude Oil
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Q.1
Crude oil is fed into the fractionating column...
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at high pressure
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with a catalyst
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as a vapour
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with water
Q.2
Hydrocarbons with the smallest molecules have the...
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lowest boiling points
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lowest flammability
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lowest volatility
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highest viscosity
Q.3
Fractional distillation uses which physical property to separate the substances in crude oil?
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Melting point
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Boiling point
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Tensile strength
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Freezing point
Q.4
Which of the following is a saturated hydrocarbon that could be found in diesel oil?
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C4H10
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C16H32
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C17H36
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C18H38O
Q.5
Which of these compounds catches fire most easily?
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C3H8
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C8H18
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C12H26
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C16H34
Q.6
Petrol...
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has a higher boiling point than diesel oil
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is a thinner liquid than diesel oil
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ignites less easily than kerosene
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has larger molecules than kerosene
Q.7
Which of the following is the thickest liquid?
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C3H8
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C8H18
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C12H26
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C16H34
Q.8
Which of these compounds is collected at the top of the fractionating column?
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C3H8
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C8H18
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C12H26
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C16H34
Q.9
Which of these compounds has the highest boiling point?
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C3H8
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C8H18
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C12H26
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C16H34
Q.10
Crude oil contains mainly saturated hydrocarbons called...
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haloalkanes
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alkenes
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alkanes
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cycloalkanes
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