Class 6 | Science | Separation of Substances | Methods of Separation

Class 6 | Science | Separation of Substances | Methods of Separation

In this module, you will learn about the methods of separation of substances under wet conditions.
Sedimentation and Decantation
Even liquids that do not mix with each other can be separated by the processes of sedimentation and decantation.
For example, water and oil.
Water is heavier than oil, so it settles at the bottom if you leave it alone for some time.
Once the water settles at the bottom, the oil can be seen floating on top.
Then, the oil can simply be poured out of the beaker.

Filtration
Now, let’s see how dirty water can be cleaned.
Dirty water can be completely cleaned using a filter paper.
This process of using a filter to separate substances is called filtration.
This will work as long as the holes or pores of the filter are small enough to keep the larger substances and let the smaller substances pass through.

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Posted by pinky in Default Category on May 07 2020 at 04:19 PM  ·  Public

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