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Which separation technique is used to separate the components from petroleum?

Important Questions on Is Matter around Us Pure?

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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
Which method is used to separate cream from milk:
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
Which of the following contain five molecules of water of crystallisation?
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
Components present in air can be separated by
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
On heating camphor in a porcelain dish it got mixed in air without melting. This phenomenon is known as
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture

At a refinery, petroleum is separated into several components by a process called fractional distillation using a fractionating column. Which of the following statement is incorrect about the process?
(I) Temperature decreases from the bottom to the top of the column
(II) At each level in the column only one compound is collected
(III) The fraction collecting at the top of the column is less volatile
(IV) The fraction with the highest boiling point condenses first and gets collected near the base of the fractionating column.

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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
How will you separate a mixture containing kerosene and petrol (difference in their boiling points is more than 25o C) which are miscible with each other?
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
How will you separate the various components of air?
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
Why is the leakage of LPG detected easily although it is odourless? State the steps to be taken in case its leakage is detected in the kitchen.
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
Give reasons: "LPG is a good fuel ”.
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture

Give an example for the mixture having the following characteristics. Suggest a suitable method to separate the components of the mixture. 

Two volatile components with appreciable difference in boiling points.

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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
How will you separate the components of air?
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
How will you separate a mixture of ethanol and propanone?
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
How will you separate a mixture containing kerosene and petrol (difference in their boiling points is more than 25°C) which are miscible with each other?
MEDIUM
Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
For an effective separation of two components of a miscible liquid by fractional distillation, what is the minimum difference in boiling point of two components?
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
What difference in the property of two miscible liquids enables their separation by fractional distillation?
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
Name two gases which are supplied in compressed form in homes and hospitals. 
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
How will you separate a mixture of benzene and toluene?
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Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
How will you separate the components of a mixture containing two miscible liquids?
MEDIUM
Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
Which separation method will you use to separate the components of a mixture containing petrol and kerosene(the difference in their boiling points is more than 25°C), which are miscible with each other?
HARD
Science>Chemistry>Is Matter around Us Pure?>Separation of Components of a Mixture
How will you separate the components of a mixture containing two miscible liquids?