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NS_Mixtures

Total questions: 23

Worksheet time: 12mins

Name
Class
Date
1.

What is matter?

a)

A mixture of molecules

b)

Anything that ocuppies space and has a mass

c)

It is everywhere

2.

It is made up of only one type of atom

a)

Pure substannce

b)

Component

c)

Element

3.

A component in a mixture is

a)

each substance in that mixture

b)

a mix of atoms

c)

a molecule

4.

The change from solid to gaseous state is called

a)

Condensation

b)

Melting

c)

Sublimation

5.

Dry ice can be an example of

a)

Sublimation

b)

Solidification

c)

Evaporation

6.

When we put water inside the freezer, the change that happens is called

a)

Sublimation

b)

Solidification

c)

Melting

7.

Which of these situations could be called "condensation"?

a)

When you put some water under the sun

b)

When you have a shower and there are water drops on the wall

c)

When you put some ice inside a glass of water

8.

When matter is in a gaseous state

a)

It has a lof of energy and fills a container

b)

It has very little energy and the molecules stay together

c)

The molecules move so it has some energy

9.

In a homogeneous mixture you can see the different components of the mixture

a)

True

b)

False

10.

The mixture of water and vinegar is a

a)

homogeneous micture

b)

heterogeneous mixture

c)

solution

11.

We can separate two solids using (choose all the correct ones)

a)

Magnetism

b)

Distillation

c)

Filtration

d)

Evaporation

12.

In order to use magnetism to separate two components they both need to have magnetic properties

a)

True

b)

False

13.

To separate a magnetic object from a non-magnetic object we use

a)

A filter

b)

A chemist object

c)

Atraction force

14.

We use _______________ if we want to separate an insoluble solid from a liquid

a)

Distillation

b)

Evaporation

c)

Filtration

15.

In a solution, the substance that dissolves is called (like the salt)

a)

Solute

b)

Solvent

c)

Residue

16.

In a solution, the substance in which the solvent is dissolved is called (like water)

a)

Solute

b)

Solvent

c)

Residue

17.

During filtration we use a _________________ to separate the components

a)

Filter

b)

Bottle

c)

Residue

18.

During filtration, the component that stays behind (the insoluble substance) is called

a)

Residue

b)

Filtrate

c)

Filter

19.

During filtration, the component that passes through the filter (the liquid) is called

a)

Residue

b)

Filtrate

c)

Filter

20.

During evaporation we need to __________ the solution to separate the soluble solid from the liquid

a)

Cold

b)

Heat

c)

Filter

21.

In distillation we use ________________ to separate two liquids

a)

Evaporation

b)

Solidification

c)

Condensation

22.

The method used to separate two liquids is called

a)

Evaporation

b)

Filtration

c)

Distillation

23.

Tick what we have to do to separate two liquids using distillation (there is more than one correct)

a)

Filter the liquids

b)

Use a magnet

c)

Condense one of the liquids

d)

Evaporate the liquids

e)

Heat both liquids until one boils