Quick Notes

Quick Notes

Science Chapter 6: Periodic Table
6.2 Mixtures
6.2  Mixtures

 

Definition
Mixture consists of two or more elements or compound mixed physically

 Examples of mixture: Cocktail, 'Air batu campur'

Separation method for mixtures

 Filtration

  • Used to separate insoluble solid from a mixture of solid and liquid

 Distillation

  • Used to separate a completely miscible liqui-liquid mixture

 Separation by using magnet

  • Used to separate two solid mixtures where one of the substances is magnetic and the other is not

 Sedimentation

  • Used to separate a liquid and insoluble solid mixture

 Floatation

  • Used to separate soluble and insoluble materials in water

 Chromatography

  • Used to check document fraud by separating the colours from the ink used

 

The separation method depends on:

  • Physical properties of the substances present in the mixture
  • Substance to be obtained from the mixture