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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Give One Word Answer the Liquid Which Evaporates and Then Condenses During the Process of Distillation - Chemistry

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प्रश्न

Give one word answer

The liquid which evaporates and then condenses during the process of distillation 

एक शब्द/वाक्यांश उत्तर
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उत्तर

distillate.

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पाठ 3: Elements, Compounds and Mixtures - Objective type questions

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सेलिना Concise Chemistry [English] Class 7 ICSE
पाठ 3 Elements, Compounds and Mixtures
Objective type questions | Q 2.2

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?


How would you confirm that a colourless liquid given to you is pure water?


Define :- Distillation 


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

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Explain the difference between Separation by distillation and by separating funnel. 


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Which of the following techniques is used for the separation of glycerol from soap in the soap industry?


Choose the correct option.

A mixture of acetone and benzene can be separated by the following method:


Which of the tubes in Fig. 2.1 (a) and (b) will be more effective as a condenser in the distillation apparatus?


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

Assertion (A): Simple distillation can help in separating a mixture of propan-1-ol (boiling point 97°C) and propanone (boiling point 56°C).

Reason (R): Liquids with a difference of more than 20°C in their boiling points can be separated by simple distillation.


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