Question

particles of soil at the bottom of a river remain separated but they stick together when taken out. name the property behind this

Answer 1

When we take out soil from the river we notice that all the particles stick together where as when we look at the soil at the bottom of the river we notice that they do not stick together.

This happens mainly because of the phenomenon of surface tension.

It refers to a property of liquids where in they tend to minimize  their surface area.

Answer 2

Answer:

due to surface tension