1.

Write the process of separating out of sand, salt, iron chips from mixture.

Answer»

Following are the method to separate mixture of sand, salt and iron fillings/chips

Step 1:

Magnetic separation:

First of all, the mixture is spread on a piece of paper and magnet is moved around it again and again. By this, iron fillings cling to the magnet. Iron filings are now separated from magnet.

Step 2:

Sedimentation:

Now, in the mixture sand and salt are left. The mixture is dissolved in water and left for sometime., Sand accumulates at the bottom of the container. Now, upper layer of salt solution is separated by decantation.

Step 3:

Vaporisation:

Now the solution contains only salt and water. Mixture is heated in a broad bottom container. Water is evaporated in the form of vapour and salt remains in the beaker. In this way, all the three components of the mixture are separated.


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