Examen natural t6

Evaporation and distillation are used to separate____________mixtures.

Decantation and filtration are used to separate____________mixtures.

Filtration

• Separate two liquids with different boiling points

• Separate two liquids of different densities

• Separate mixtures of a liquid and a solid

• All of them

Distillation

• Separate two liquids with different boiling points

• Separate two liquids of different densities

• Separate mixtures of a liquid and a solid

• All of them

Decantation

• Separate two liquids with different boiling points

• Separate two liquids of different densities

• Separate mixtures of a liquid and a solid

• All of them

Check True sentences

• Evaporation method separates water and sand

• Distillation methods separates alchol and water

• Decantation method separate water and oil

• Filtration method separates salt disolved in water

During______a substance combines with oxygen in the ari to form a new substance

During_______fuel combines with oxygen and burns.

________ occurs in the absence of oxygen.

Yogurt

• Oxidation

• Combustion

• Fermentation

• All of them