★MIXTURE AND SEPARATION TECHNIQUES

• A mixture consists of two or more substances that are physically mixed together.
• Examples of mixtures:

  1. Air
  2. Seawater
  3. Fruit salad
• A solution is formed when a solute is dissolved in a solvent.
• Solute: It is the dissolved component in a solution.
• Solvent: It is the liquid in which the solute is dissolved.
• A suspension is formed when there is a mixture of a liquid with undissolved solid particles.
• Examples of suspension:

  1. Muddy water
  2. Chalk powder + water
• Decantation is a metal used to separate heavy insoluble solid from a liquid.
• Filtration is a method of separating an insoluble solid from a liquid using a fliter.
• Residue is the solid which is collected in the filter paper.
• Filtrate is the liquid which passes through the filter paper.
• Evaporation is a method used to separate a soluble solid from a liquid.