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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Select the Correct Alternative from the Choices Given for the Following Statement: Components of Crude Petroleum Can Be Separated by - Chemistry

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प्रश्न

Select the correct alternative from the choices given for the following statement:

Components of crude petroleum can be separated by

विकल्प

  • distillation

  • evaporation

  • filtration

  • fractional distillation

MCQ
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उत्तर

fractional distillation

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अध्याय 3: Elements, Compounds and Mixtures - Multiple choice questions

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 3 Elements, Compounds and Mixtures
Multiple choice questions | Q 2

संबंधित प्रश्न

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?


Give a brief description of the principle of the following technique taking an example.

Distillation 


Define :- Distillation 


On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used

Fractional distillation :


Give one word answer

The process by which two miscible liquids are separated


Methyl alcohol and water

  • Give the principle involved in the separation of the mixture
  • Give the technique of separation of the mixture.

Choose the correct option.

Which of the following methods can be used to separate two compounds with different solubilities in the same solvent?


Define Distillation


Match the type of mixture of compounds in Column I with the technique of separation/purification given in Column II.

Column I Column II
(i) Two solids which have different solubilities in a solvent and which do not undergo reaction when dissolved in it. (a) Steam distillation
(ii) Liquid that decomposes at its boiling point (b) Fractional distillation
(iii) Steam volatile liquid (c) Simple distillation
(iv) Two liquids which have boiling points close to each other (d) Distillation under reduced pressure
(v) Two liquids with large difference in boiling points. (e) Crystallisation

Draw a diagram of bubble plate type fractionating column. When do we require such type of a column for separating two liquids. Explain the principle involved in the separation of components of a mixture of liquids by using fractionating column. What industrial applications does this process have?


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