Separation Techniques

What is the name of this separation technique?

• Simple distillation

• Fractional distillation

• Boiling

• Evaporation

What is the name of this separation technique?

• distillation

• filtration

• evaporation

• chromatography

Which separation technique is used to obtain salt from seawater?

• Simple distillation

• Filtration

• Chromatography

• Evaporation

Which ink is a mixture?

• Blue

• Red

• Yellow

• Black

Referring to the chromatogram, black ink contains

• Blue, red and yellow ink only

• Blue, red, yellow and green ink

• Blue and yellow ink

• Black ink only

During filtration, the solid that is trapped in the filter paper is called ..A.. and the liquid that has passed through the filter paper is called ..B..

• A: residue B: filtrate

• A: residue B: filterate

• A: filtrate B: residue

• A: filterate B: residue

What method would you use to separate a mixture of salt and water so that you can get keep the salt AND the water?

• sorting by hand

• distillation

• chromatography

Dyes in a felt-tip pen may be separated by....

• Distillation

• Decanting

• Chromatography

• Centrifuge

Which one of the following is the name for separation technique in the picture below

• distillation
• dissolving
• evaporation
• decanting

Which one of the following is a disadvantage of evaporation?

• It always requires heat
• It cannot be used for insoluble solids
• All of the solute is recovered
• The solvent (liquid part) is not recovered