When you drop soap on the ground does the ground get dirty or does the soap get clean?

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

What equation is used to calculate the weight of an object on a plant ?

Frequency of electromagnetic waves that a radio station is assigned is called