Separation techniques

Question 1

Properties allowing sieving

Answer 1

Particle size

Question 2

Properties allowing filtration

Answer 2

Particle size, insoluble solids in liquids

Question 3

Properties allowing evaporation

Answer 3

Boiling points , soluble solids in liquids

Question 4

Properties allowing distillation

Answer 4

Boiling points

Question 5

Properties to use separating funnel

Answer 5

Density , liquids

Question 6

Properties allowing magnetism

Answer 6

Magnetic metals

Question 7

Properties allowing chromatography

Answer 7

Mobilities, travel rates

Question 8

Properties allowing centrifugation

Answer 8

Density

Question 9

Immiscible

Answer 9

Not forming a homogeneous mixture

Question 10

Miscible

Answer 10

Forming a homogeneous mixture

Question 11

A solution has a ________ dissolved in a ___________.

Answer 11

Solute and Solvent

Question 12

How to calculate percentage composition

Answer 12

Mass / total mass * 100%

Question 13

Separate ethanol and water with

Answer 13

Distillation

Question 14

Separate a liquid and a solid that are not dissolving in each other with

Answer 14

Filtration

Question 15

Separate a solid dissolved in a liquid with

Answer 15

Evaporation

Question 16

Crushed charcoal, sugar and small iron pieces

Answer 16

Magnetism (iron) ,
Add water: filtration (charcoal) ,
evaporation(sugar)

Question 17

Salt in chips

Answer 17

Add water and crush : Evaporation

Question 18

Sand and water

Answer 18

Decantation

Question 19

Rocks and sand

Answer 19

Sieving

Question 20

Colored components in ink

Answer 20

Chromatography

Question 21

Oil and water

Answer 21

Separating funnel