Chapter 15, Problem 13STP

To determine

The method of separation of the iron filling, sand and salt.

Explanation of Solution

Introduction:

The different substances can be separated by different methods. The heterogeneous mixture can be separated by physical methods and homogenous mixture by physical and chemical methods.

The iron filling are separated due the magnetic nature. The mixture of iron filling, sand and salt is passed from the magnetic separator. The iron filling falls down due to magnetic property.

The remaining mixture of sand and salt separated by using a sieve. The salt passes from the holes of the sieve and sand remain in the sieve.

Conclusion:

Thus, the mixture of iron filling, sand and salt is separated by using the magnetic separator and sieve.