Different Methods of Separation of Mixtures

IMPORTANT

Different Methods of Separation of Mixtures: Overview

This topic covers concepts such as Separation of Components of Mixtures, Separation of Mixture of Two Immiscible Liquids, Distillation for Separation of Two Miscible Liquids, Fractional Distillation, Applications of Separating Funnel, etc.

Important Questions on Different Methods of Separation of Mixtures

HARD
IMPORTANT

List any three uses of products distilled from petroleum.

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

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How can the dissolved salt be separated from water?

EASY
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What is the principle used to separate two immiscible liquids?

EASY
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Two immiscible liquids are separated by distillation.

MEDIUM
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Label the figure given below.

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Where and why is it used?

MEDIUM
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Label the figure given below.

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What is the process called?

 

HARD
IMPORTANT

With the help of an activity, prove that mixtures can be separated through physical methods, whereas compounds cannot be separated.

HARD
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Differentiate between: Distillation and Fractional distillation. 

EASY
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State whether the following statements are True or False.

The process to obtain pure substance from a mixture in a solution is called distillation.

MEDIUM
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What is the principle used in distillation?

EASY
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Observe the diagram carefully. Point out the place where water vapour condenses into water.

EASY
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A liquid with boiling point189$ ℃$ is soluble in water.

Which of the following processes can be used to separate a colourless solution of the liquid from water?

EASY
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State true or false.

The picture shows the formation of water vapour inside the condenser during the distillation of salt solution. These water vapours are free from any dissolved solid impurities.

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EASY
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In a severe water contamination in home water supply which of the following is the recommended method for removal of soluble impurities from water?

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Ink is soluble in water. How can you get pure water from a mixture of ink and water?

EASY
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A mixture of two or more miscible liquids, for which the difference in the boiling points is less than 25K can be separated by the process called 
 

EASY
IMPORTANT

Which of the following materials could be a pure substance?