Techniques for Separating Mixtures

What type of mixture is coffee?

• Suspension

• Colloid

• Solution

• None of the above

Which technique involves separating a solid from a liquid by allowing the liquid to evaporate?

• Magnetism

• Evaporation

• Decantation

• Filtration

Tags

NGSS.MS-PS1-4

What is the residue in the filtration process?

• The dissolved substances

• The solid particles left behind

• The liquid that passes through the filter

• The evaporated liquid

Which method uses a magnet to separate components?

• Evaporation

• Magnetism

• Decantation

• Sieving

What is the purpose of sieving?

• To evaporate liquids

• To separate fine particles from larger ones

• To separate liquids from solids

• To separate metals from non-metals

Which technique separates heavier components from lighter ones using wind?

• Hand Picking

• Distillation

• Winnowing

• Flotation

What is the principle behind distillation?

• Different densities

• Different boiling points

• Magnetic properties

• Particle size

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which method involves physically picking out components by hand?

• Chromatography

• Flotation

• Hand Picking

• Sieving

What does chromatography separate based on?

• Ability to dissolve in a solvent

• Boiling points

• Magnetic properties

• Density

Which technique is used to separate dissolved substances with different colors?

• Chromatography

• Filtration

• Evaporation

• Decantation