Quiz about Separating mixtures

Question 1

........is made when two or more materials are mixed together

Accepted Answer

A mixture

Answer

A solution

Answer

A compound

Answer

An alloy

Question 2

The materials of a mixture can be separated

Accepted Answer

Yes

Answer

No

Question 3

The materials in a mixture can......... Their own properties

Accepted Answer

retain

Answer

lose

Answer

combine

Answer

change

Question 4

Some methods for separating mixtures are

Accepted Answer

Filtering

Accepted Answer

Sieving

Accepted Answer

Using of Magnet

Answer

sublimation

Answer

condensation

Question 5

Solids can consist of

Accepted Answer

Solid substance,

Like salad

Accepted Answer

Liquid and liquid

Like oil and water

Accepted Answer

Solid and liquid like water and salt

Answer

Solid and gas like vapor

Question 6

......... can be used to separate solid materials of different sizes

Accepted Answer

Sieving

Answer

Filtration

Answer

Magnetism

Answer

Evaporation

Question 7

........ can be used to separate liquid and solid

Accepted Answer

Filter

Answer

Sieve

Answer

Strainer

Answer

Colander

Question 8

..........Can be used to separate magnetic items from non-magnetic items

Accepted Answer

Magnet

Answer

Hammer

Answer

Tweezers

Answer

Screwdriver

Question 9

Some materials....... When you mix them with water

Accepted Answer

dissolve

Answer

float or evaporate

Answer

solidify or freeze

Answer

change color or smell

Question 10

You..... see dissolved materials in water

Accepted Answer

cannot

Answer

can always

Answer

can sometimes

Answer

can easily

Question 11

If a material has dissolved in liquid. The liquid will always be...... .

Accepted Answer

Clear

Answer

absent

Answer

optional

Answer

variable

Question 12

If a material has dissolved in a liquid. The liquid will always be clear. . It may or may not may not be ..........

Accepted Answer

colored

Answer

bubbly

Answer

viscous

Answer

opaque

Question 13

Which of the following mixtures can be easily separated by using a magnet?

Accepted Answer

Sand and iron filings

Accepted Answer

Iron nails and wood chips

Answer

Salt and pepper

Answer

. Flour and water

Question 14

A mixture can be made by combining............, ....... ,........., in different ways.

Accepted Answer

Gases

Accepted Answer

Liquids

Accepted Answer

Solids

Answer

a solution of water

Answer

a compound of elements

Question 15

.......... is useful for separating mixture of different size materials, for example, to separate sugar and marble

Accepted Answer

Sieve

Answer

Filter

Answer

Magnet

Answer

Centrifuge

Question 16

....... Can be used to separate cooked pasta from water it was cooked in

Accepted Answer

Colander

Answer

Funnel

Answer

Sieve

Answer

Strainer

Question 17

We can separate small pieces of solid materials from water by.......

Accepted Answer

filtration

Answer

evaporation

Answer

distillation

Answer

sedimentation

Question 18

..... are made from material that allow liquids to pass through them but traps so it's from getting out

Accepted Answer

Filters

Answer

Sieves

Answer

Sponges

Answer

Strainers

Question 19

Examples of filtration is

Accepted Answer

Teabags

Answer

Strainers, colanders, sieves

Answer

Plastic wrap, aluminum foil, wax paper

Answer

Sponge, paper towels, cotton balls

Question 20

Separate insoluble solids from liquids

Accepted Answer

Filtration

Answer

Centrifugation

Answer

Evaporation

Answer

Distillation

Question 21

Separates two liquids which have different weights

Accepted Answer

Decanting

Answer

Filtration

Answer

Evaporation

Answer

Sieving

Question 22

Separates different size solids

Accepted Answer

Sieving

Answer

Strainer

Answer

Filter

Answer

Colander

Question 23

Separates Iron and steel from non-magnetic materials

Accepted Answer

Magnetism

Answer

Sieving

Answer

Filtration

Answer

Decanting

Question 24

I have a mixture of salt, water and iron. I pass them through a filter what is left in the filter what passes through into the cup?

Accepted Answer

Salt and water will pass through the filter

Accepted Answer

Iron will stay on the filter paper

Answer

Iron pass through the filter

Answer

Water will stay on the filter paper

Question 25

We have a mixture of salt and water or sugar and water. How can we separate them?

Accepted Answer

Use evaporation to separate salt or sugar from water.

Answer

Mix the salt or sugar with oil to separate them.

Answer

Use a filter to separate salt or sugar from water.

Answer

Add more water to dissolve the salt or sugar completely.

Question 26

I have a mixture of tomato sauce, sugar, and carrots. I bring a magnet close by what does the magnet pick up and what is left behind?

Accepted Answer

Magnet cannot help separate the mixture

Answer

Magnet will attract the carrots

Answer

Magnet will attract the tomato sauce

Answer

Magnet will attract everything

Question 27

I have a mixture of rocks, sand, and water. I pass it through a screen what is left on the top of the screen and what has fallen through the screen?

Accepted Answer

Water and sand will pass through the screen

Accepted Answer

Rock will be left on the screen

Answer

Water and sand will be left on the screen

Answer

Rocks will be left on the screen

Question 28

I have a mixture of iron salt and water. I heat it up to a boil explain what happens to each part of my mixture.

Accepted Answer

Water will evaporate while salt and iron will be left behind

Answer

The iron salt dissolves completely in the water.

Answer

Both the iron salt and water remain unchanged.

Answer

The water turns into ice as it cools down.

Question 29

I have a mixture of iron, salt and water. I bring magnet close by what does the magnet pick up and what is left behind?

Accepted Answer

The magnet picks up the iron

Accepted Answer

Water and salt will be left behind

Answer

The magnet picks up both the iron salt and water.

Answer

The magnet does not pick up anything from the mixture.

Question 30

I have a mixture of iron, salt and water. I pass them through a screen what stays on the top and what passes through.

Accepted Answer

Iron will stay on top and water and salt will go through the screen

Answer

Iron salt dissolves in water and disappears.

Answer

Iron salt passes through, water stays on top.

Answer

Both iron salt and water pass through the screen.

Question 31

How do we separate water and sand mixture?

Accepted Answer

Use filtration to separate water and sand.

Answer

Mix the sand and water thoroughly.

Answer

Use a magnet to attract the sand.

Answer

Evaporate the water to leave the sand behind.

Question 32

How do we separate salad mixture

Accepted Answer

Hand-picking

Answer

sieving

Answer

Magnetism

Answer

Filtration

Question 33

Separating the parts of a mixture by hand

Accepted Answer

Hand-picking

Hand-separation

Answer

Sieving

Answer

Decanting

Answer

filtration

Question 34

Hand separation is only useful when the particles are large enough to be seen clearly

Accepted Answer

Yes

Answer

No

Question 35

This process is best used to separate mixtures in which a solid has dissolved in liquid

Accepted Answer

Evaporation

Answer

Centrifugation

Answer

Distillation

Answer

Filtration

Question 36

Evaporation will turn liquid part of a solution into..........

Accepted Answer

gas

Answer

solid

Answer

mist

Question 37

Evaporation will turn the liquid part of a solution into a gas and leave.......... behind

Accepted Answer

solids

Answer

vapors

Answer

gases

Answer

liquids

Question 38

The .......... particles will not be able to go through the tiny holes in the filter paper and will be caught in it

Accepted Answer

Solid

Answer

smaller

Answer

liquid

Answer

gaseous

Question 39

The....... particles will go through the filter paper into the beaker below

Accepted Answer

Liquid

Answer

heavier

Answer

larger

Answer

Solid

Question 40

What method do we use to separate nails from wood chips?

Accepted Answer

Magnetism

Answer

Filtration

Answer

Sieving

Question 41

What method do we use to separate sand from pebbles?

Accepted Answer

Sifting/sieving

Answer

Filtration

Answer

Magnetism

Answer

Decanting

Question 42

The process of separating mixture of different sized, for example, flour and raisins or rice and pasta

Accepted Answer

The mixture is poured into a sieve held over a bowl. The small particles will go through into the bowl, and the larger particles will be caught in the sieve..

Answer

Will be separated by magnetism the bigger part will be attracted by the magnet, and the small part will stay in the bowl

Answer

The mixture will be evaporated. The smaller part will evaporate, and the bigger parts will stay in the beaker.

Question 43

We can use....... two separate tomatoes, lettuce, cucumber, onions, in a salad

Accepted Answer

Fork

Answer

Sieve

Answer

Stick

Answer

Filter paper

Question 44

When you mix salt and water together, the salt will disappear in the water. We say that the salt has .......... in the water.

Accepted Answer

dissolved

Answer

suspended

Answer

evaporated

Answer

settled

Question 45

If you leave the mixture of salt and water in warm place, the water will....

Accepted Answer

evaporate

Answer

freeze

Answer

dissolve

Answer

turn into salt

Question 46

How can we speed up the evaporation process?

Accepted Answer

We increase the heat/ temperature

Answer

Reduce air circulation

Answer

Decrease temperature

Answer

Increase humidity

Question 47

All solids dissolve in water

Accepted Answer

No

Answer

Yes

Question 48

Some materials dissolve when you mix them with water

Accepted Answer

Yes

Answer

No

Question 49

You.... see dissolved materials in the water

Accepted Answer

Cannot

Answer

Can

Question 50

If a material has dissolved in a liquid, the liquid will always be....... It's me or may not be.......

Accepted Answer

Clear

Coloured

Answer

Mixture

Coloured

Answer

a solution

Red

Question 51

Which of these materials will dissolve in water?

Accepted Answer

bath salt

Accepted Answer

Soap powder

Answer

Leaf tea

Answer

Modeling clay

Answer

Chalk powder

Question 52

Which of these materials will dissolve in water?

Accepted Answer

Jelly crystals

Accepted Answer

Salt

Answer

Sawdust

Answer

Iron fillings

Question 53

We can easily separate large solid materials from water using a.......

Accepted Answer

sieve

Answer

Filter

Answer

spoon

Answer

magnet

Question 54

We can separate small pieces of solid materials from water by......

Accepted Answer

filtration

Answer

evaporation

Answer

distillation

Answer

sedimentation

Question 55

tea bags are examples for

Accepted Answer

Filtration paper

Answer

colander

Answer

Sieve

Question 56

Scientists use special paper called ......... to separate solids from liquid

Accepted Answer

Filter paper

Answer

Parchmentpaper

Answer

absorbent paper

Answer

sandpaper

Question 57

Is vitamin C tablet soluble or insoluble?

Accepted Answer

Soluble

Answer

Insoluble

Answer

Partially soluble

Answer

Only soluble in oil

Question 58

Are pebble soluble or insoluble?

Accepted Answer

Insoluble

Answer

Soluble

Question 59

Is juice powder, soluble , or insoluble?

Accepted Answer

Soluble

Answer

Insoluble

Question 60

Iron fillings can be separated from sand by ............ . Iron fillings are ............ but sand is not

Accepted Answer

Magnet

Magnetic

Answer

Sieving

Large materials

Answer

Filtering

Small materials

Question 61

We can separate blue from yellow beads by........... . We can separate them into two distinct groups of............

Accepted Answer

Hand-picking

Colours

Answer

Sieving

Size

Answer

MagnetType

Question 62

To separate coarse flour from fine flour, we ............. . Finer materials can......... through the safe, but not the coarser material materials.

Accepted Answer

Use a sieve

Go

Answer

Use Filter

Stay

Answer

Heat

Evaporate

Question 63

Muddy water can be separated by.......... . Liquid can pass through the tiny holes of the.......... but not the soil (mud)

Accepted Answer

Filtration

Filter paper

Answer

Sieving

Sieve

Answer

Evaporation

Heat

Question 64

How can we separate pebble from water?

Accepted Answer

By hand picking

Answer

Using magnet

Answer

By sieving

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