The document discusses various factors that affect solubility, including: - Whether two liquids are miscible or immiscible with each other - Effervescence occurring when a gas rapidly escapes from a liquid - Results of testing the miscibility of various materials in oil, hot/cold water - The solubility of iodized salt and rock salt in water - Observations of shaken vs. undisturbed carbonated drinks - The nature of solute and solvent particles and how "like dissolves like" - How smaller particle size, higher temperature, and higher pressure can increase solubility