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Chapter 5 Class 6 - Separation of Substances

Separation of Substances is the fifth chapter which we will study in Class 6 Science.

In this chapter, Teachoo provides NCERT Solutions, Notes, Worksheets, MCQ, 1 Mark questions (with solutions).

 

On Teachoo, you can find explanations of various concepts, NCERT questions and extra questions prepared by experts which can be your one stop solution to all the doubts.

In the chapter 5, Separation of substances, as the name suggests, you will learn about separating one component from the other in order to remove any harmful substance or impurity from the main substance that you are going to consume.

Separation of these impurities is necessary for humans as the impurities are harmful for the human body and can cause health complications if consumed.

Firstly, you will learn about what are these impurities or substances that are to be separated.

Substances like 

  • Tea leaves from tea ;
  • Small stones from rice and ;
  • Grains from stalks 

Are few examples of harmful substances

Along with impurities, even other useful components can be obtained through separation. For example - Butter is obtained from milk after using a certain technique known as churning.

There are also other techniques that you are going to learn in this chapter and they are -

  • Winnowing
  • Threshing
  • Hand picking
  • Evaporation
  • Sieving

Sedimentation, Filtration and Decantation

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Concepts


NCERT Questions


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