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VR Tour For Std. 6 Ch. 5: Separation of Substances

What's Included in Virtual tour of this chapter

Usually, many times the substances we look at around us in our daily lives are not in their purest forms. They are a combination of two or more substances. These mixtures also come in different kinds of form. Sieving is basically separating mixtures of different sizes and shapes. The big and coarser substance is separated from the very small ones. Through sedimentation, decantation, and filtration even the lighter impurities like dust or sand get filtered. We will also learn about evaporation and condensation. The process in which liquid turns into vapor is called evaporation and the process of conversion of water vapor into its liquid form is called condensation.

Virtual tour 1 Methods of separating substances

Virtual tour 1: Methods of separating substances

We will study the different types of separation techniques through which we can segregate our mixture. We will understand the concept by separating the unwanted material from the useful substance. In this virtual tour, we will learn about threshing, handpicking, threshing, sieving, winnowing, which are some of the methods of separating substances from the mixtures.

Virtual tour 2 The Sieving process of sand

Virtual tour 2: The Sieving process of sand

Sieving is a simple technique for separating particles of different sizes. We will observe that sieving is generally done for wheat flour or even sand at a construction site. Depending upon the types of particles to be separated, sieves with different types of holes are used. The bigger particles are separated from the very small ones.

Virtual tour 3 Sedimentation, decantation and filtration

Virtual tour 3: Sedimentation, decantation and filtration

Sometimes, it may not be possible to separate components of a mixture by winnowing and handpicking. The easiest way to separate an insoluble substance from a liquid is filtration. We will learn this concept by performing an experiment as to how small particles like dust or rice husk get filtered with the sedimentation, decantation, and filtration process.

Virtual tour 4 Saturation, Evaporation and Condensation Process

Virtual tour 4: Saturation, Evaporation and Condensation Process

We will learn about the concepts called saturation, evaporation, and condensation. In Evaporation, we will heat the solution to an extent when only solid residues are only left in the beaker. Saturation is basically when we pour the salt to a level that it gets settled in a beaker. Condensation is the conversion of water vapor into its liquid form.