There is a place in the lid where the fluid rushes to when you tip it, leaving the air bubbles in the cylinder of the bottle. In some companies it's a chemical inside the fluid that can evaporate over time and looses it's " magic" effect.
The mixture would be :
1. Homogeneous; dissolving followed by filtration and distillation
salt dissolve in water and will be the filtrate and chalk will be the residue in the filter paper
hope this helps
D! Because a gas takes its form and volume of its container
This produces medicines that can possibly save the lives of cancer infected patients who otherwise could die.