Question

How would you separate sand and water?

Answer 1

When the sand is mixed in water, then the sand settles down and water gets separated, and then water is transferred to another beaker or container without the sand comes in the second beaker. This process contains the first sedimentation and then the decantation.

Complete answer:
Let us know first about sedimentation, when we mix something in the water which cannot be dissolved in water like sand, stone, gravel, etc, will settle down and the water will remain as the top layer. This process is known as sedimentation.
An example, take 100 ml of water and mix around 5-6 gm of sand in it. This will create a lower layer of sand and an upper layer of water.
Now, let us discuss the decantation process when we separate the layer of water or any liquid when a heavier thing settles down but transferring the water or liquid to another container. This process is known as decantation.
An example, take 100 ml of water and mix around 5-6 gm of sand in it. This will create a lower layer of sand and an upper layer of water. Now, take another breaker and carefully pour the water in such a way that the sand is not transferred. This process must be taken without any separating or chemical devices.

Note:
When we use any separating device or thing like filter paper, then the process is known as filtration. Filtration is a process when water and the sand are separated using a filter paper.