Answer:1. Salt dissolved in water – You can’t see the salt, but it’s completely mixed.2. Vinegar – A uniform solution of acetic acid and water.3. Air – A mixture of gases (like nitrogen, oxygen, and carbon dioxide) that’s evenly distributed.4. Steel – A solid solution made of iron and carbon (and sometimes other metals).5. Alcohol and water – When mixed, they form a uniform liquid.6. Coffee (black) – Brewed coffee with no visible particles.7. Milk (processed/treated) – After homogenization, the fats are evenly dispersed.8. Soft drinks – Soda with dissolved sugar, flavoring, and carbon dioxide.9. Perfume – A blend of alcohol and scent molecules, mixed thoroughly.10. Cooking oil – A consistent liquid, often made from blended vegetable oils.