Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

DS 7E Science 1 > C1: Separation Techniques > Flashcards

C1: Separation Techniques Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What is an element?

A

A substance made of only one type of atom

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

What is a compound?

A

A substance made of two or more atoms joined together

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

What is a mixture?

A

made of two or more substances not joined together

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

Is the following substance an element, mixture or compound?

A

Mixture

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

Is the following substance an element, mixture or compound?

A

Compound

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

Does this melting curve show a pure or impure substance?

A

A pure substance as it has a precise melting point

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

Does this melting curve show a pure or impure substance?

A

An impure substance as it doesn’t have a precise melting point

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

Identify parts A and B

A

A - Condenser

B - Flask

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

Explain how distillation separates a mixture of ink and water?

A

Water evaporates first as it has a lower boiling point

The water turns to water vapour

The water vapour is cooled and condenses back to liquid water

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

Identify parts A, B and C

A

A - Residue

B - Funnel

C - Filtrate

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

Describe the trend shown in the graph

A

As temperature increases the solubility increases

KNO3​ is more soluble than NaCl above 25oc

NaCl is more soluble than KNO3 below 25oc

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

Describe what solubility means?

A

The amount of a substance that will dissolve in 100cm3 of a solvent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is a solvent?

A

A liquid which dissolves a solute

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is a solute?

A

Something that dissolves in a solvent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is a solution?

A

A mixture of a solvent and a solute?

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What does insoluble mean?

A

It doesn’t dissolve

17
Q

What does soluble mean?

A

It does dissolve.

18
Q

Which technique could you use to separate salt and water?

A

Distillation

or evaporate and condensation

19
Q

Which technique could you use to separate a mixture of sand and water?

A

Filtering

20
Q

Which technique could you use to separate a mixture of ethanol and water?

A

Distillation

or evaporation and condensation

DS 7E Science 1 (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions