Element, Mixture and Compound - REVISION [Zaara]

Elements are substances that can’t be split into anything simpler by chemical means. Compounds are formed when two or more elements chemically combine. (water) In compounds elements always have a fixed ratio. In a mixture, different substances are mixed together, but no chemical reaction takes place. Separation techniques you need to know about: 1. Filtration 2. Crystallisation 3. Simple distillation 4. Fractional distillation 5. Chromatography Thank you for watching.