Question

DO AS DIRECTED.
1. The mixture of petrol and water is seperated by_______
2. Iron fillings and sawdust are seperated by _____________
3. The__________ salt water lakes are called lagoons.​

Answer 1

Answer:

hope it would helpful for you

Explanation:

Here we will first do the sedimentation process. Because of this, the sawdust being the heavier particle gets settled at the bottom of the container along with sand.

The mixture is then separated from sawdust and sand by filtration.

After filtration, we will get a mixture of water and salt.

This mixture is then separated by using evaporation. During evaporation, the water molecules get evaporated leaving behind only salt particles.

Answer 2

Answer:

1. By the process of winnowing

2. By using a magnet.

3. I don't know