Did alkali matels react with acid

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw