Propities And Changes In Materials- Seperation Technique

Question 1

Filtration

Answer 1

Filtration is separating solid particles from a liquid or gas by passing it through a filter or a sieve

Question 2

Decantation

Answer 2

Decantation is pouring off a liquid from a substance that has settled beneath the liquid.

Question 3

Distillation

Answer 3

Distillation is separating liquids based on differences in boiling points.

Question 4

Evaporation

Answer 4

Evaporation is separating a soluble solid from a liquid by boiling off the liquid and leaving behind the solid.

Question 5

Chromatography

Answer 5

Chromatography is separating mixtures based on differences in solubility and molecular properties.

Question 6

Magnetism

Answer 6

To separate magnetic materials from non-magnetic materials by hovering a magnet over them

Question 7

Crystallization

Answer 7

Crystallization is separating a pure solid from a solution by allowing the solvent to evaporate slowly and letting the solid form crystals.

Question 8

Flotation

Answer 8

Flotation is when we put a mixture in a liquid and only some of the objects float