separation techniques Flashcards

1
Q

what physical property does filtration exploit

A

particle size

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what physical property does sieving exploit

A

grain size

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what physical property does decantation exploit

A

density of matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what physical property does distillation exploit

A

boiling point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what physical property does magnetic separation exploit

A

magnetic properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what physical property does evaporation exploit

A

boiling point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what barrier does filtration take place through

A

a semi permeable filter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what physical property does crystallisation exploit

A

solubility

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

solutes are normally soluble in hot liquids. when the solution cools, the solute will form __. this is known as __

A

crystals, crystallisation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

decantation involves the use of __ to separate __

A

gravity, liquids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

true or false: in decantation, the heavy liquid is sucked off while the lighter liquid is drained

A

false, the lighter liquid is sucked off while the heavy is drained

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what techniques vapourises liquid and condenses it separately?

A

distillation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly