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Worksheets

Mixture

Total questions: 60

Worksheet time: 31mins

Name
Class
Date
1.

1. Which of the following substances is insoluble in water?

a)

salt

b)

stone

c)

sugar

d)

Vinegar

2.

2. Homogeneous mixtures have uniform composition where the substances are evenly mixed. They are also called ___________.

a)

solution

b)

solubility

3.

What type of solution is air?

a)

gas

b)

solid

c)

liquid

4.

What is the example of emulsion?

a)

Fog

b)

Smoke

c)

Whipped cream

d)

salad dressing

5.

Milk is a heterogeneous mixture.

a)

True

b)

False

6.

Which of these statements correctly describes a mixture? A mixture is ___________.

a)

Composed of different substances.

b)

Made up of different elements and compounds.

c)

A combination of two or more substances that are chemically combined.

d)

A combination of two or more substances that are physically combined.

7.

Which of these is a mixture?

a)

Sugar

b)

Water

c)

Carbon dioxide

d)

Air

8.

Which of these materials is a solvent?

a)

Cornstarch

b)

Flour

c)

Sugar

d)

Water

9.

Which is NOT a heterogeneous mixture?

a)

Fruit Salad

b)

Pencils and pens

c)

Marbles and Pebbles

d)

Vinegar

10.

You mix the oil and water. Which statement best describes heterogeneous mixture?

a)

The mixture is completely mixed.

b)

You cannot see the oil in the mixture.

c)

The liquids did not mix but formed two layers.

d)

The mixture became a solution.

11.

Which of the following is an example of a heterogeneous mixture?

a)
Air
b)
Salad
c)
Fruit smoothie
d)
Concrete
12.
Sand floating in water, but most of the sand is settled at the bottom this an example of which type of mixture?
a)
A solution
b)
A colloid
c)
A suspension
d)
A compound
13.

How are suspensions and colloids different?

a)

Suspensions settle out and colloids do not settle.

b)

Colloids settle out and suspensions do not settle.

c)

Suspensions dissolve and colloids do not.

d)

Colloids dissolve and suspensions do not.

14.

Which statement below does NOT describe a colloid?

a)

A colloid is a type of heterogeneous mixture

b)

A colloid is a type of solution.

c)

The particles in a colloid do not settle like they do in a suspension.

d)

The particles in a colloid do not dissolve – they are just too small to be seen.

15.

In a solution, it is the substance that is being dissolved.

a)

Solute

b)

Suspension

c)

Colloid

d)

Solvent

16.

This is a mixture of two or more substances in which one or more of these substances (solutes) is dissolved in another substance.

a)

compound

b)

element

c)

solution

d)

heterogeneous mixture

17.

8. What is the difference between a heterogeneous mixture and a homogeneous mixture?

a)

You cant see the parts in a heterogeneous mixture, but you can in a homogeneous mixture.

b)

You can see the parts in heterogeneous mixture, but you cant see them in a homogeneous mixture

18.

A 3 in 1 coffee sachet contains coffee, sugar, and creamer. Thus, making it heterogeneous. When hot water is poured, it turns into a homogeneous mixture. What idea supports this occurrence?

a)

The components of 3in1 coffee dissolve in hot water.

b)

The components of 3in1 coffee dissolved in hot water taste sweet.

c)

The components of 3in1 coffee form a two-layer liquid.

d)

The components of 3in1 coffee can be separated.

19.

Which is regarded as the universal solvent?

a)

Water

b)

Acetone

c)

Paint

d)

Soy Sauce

20.

Which is TRUE about solubility?

a)

The higher the liquid temperature, the faster a solute can be dissolved in a solvent.

b)

The nature of the solute and the amount of solvent can determine how fast the solute dissolves in a solvent.

c)

The manner of stirring is a factor in dissolving a solute in a solvent.

d)

All of the above

21.

What is a COLLOID?

a)

It is a liquid and heavy mixture.

b)

It is a mixture that completely dissolves but some particles settle down.

c)

It has the ability to scatter light.

d)

All of the above

22.

Which solvent has the ability to remove nail polish?

a)

Thinner

b)

Acetone

c)

Cuticle remover

d)

Bleach

23.

Which colloid can protect and beautify?

a)

Ink

b)

Paint

c)

Insecticide Spray

d)

Creams

24.

To get the smaller particle size of flour for baking, leave larger particles of flour in the sifter above the screen. What kind of separating of mixture it is?

a)

Sifting

b)

Decantation

c)

Magnetic separation

d)

Evaporation

25.

To separate the rice hulls from grains, which process or separating of the mixture is applicable?

a)

Filtering

b)

Evaporation

c)

Winnowing

d)

Decantation

26.

What ancient technique of separating of mixtures is shown in the picture?

a)

Threshing

b)

Winnowing

c)

Evaporation

d)

Distillation

27.

What household activities does sieving useful?

a)

baking cake

b)

cooking rice

c)

cleaning the toilet

d)

washing the dishes

28.

Which of the following describes Winnowing?

a)

separating lighter components from heavier components with the help of blowing wind.

b)

separating miscible from immiscible components by letting the immicible components float.

c)

separating magnetic from non magnetic components using magnet.

d)

separating bigger and smaller substances using sieve.

29.

Which method of separating mixtures can be used in this picture?

a)

Distillation

b)

Magnetism

c)

Physical Manipulation

d)

Decantation

30.

Which of the following mixtures can be separated using Decantation?

a)
b)
c)
d)
31.

Linda is cooking rice for dinner. Her mother asked her to washed the rice grain before she put it into fire. What separation of mixtures she should use?

a)

Evaporation

b)

Distillation

c)

Chromatography

d)

Decantation

32.

Which of the following can be separated by distillation?

a)
b)
c)
d)
33.

Which of the following methods of separation are we going to use to separate two liquids with different boiling points?

a)

Magnetic Separation

b)

Filtration

c)

Evaporation

d)

Distillation

34.

What statements best describes Decantation?

a)

separating liquids with different boiling points

b)

separating solid and liquid substances using a filter

c)

separating a mixture of a liquid and a heavier solid

d)

separating non-metals to metal substances

35.

Which technique use to separate substances that dissolved in water?

a)

Decantation

b)

Physical Manipulation

c)

Evaporation

d)

Chromatography

36.

What is the difference between filtration and Sieving?

a)

Filtration is separating liquid from solid components while sieving is separating solid mixtures with different particle size.

b)

Filtration is separating solid mixtures with different sizes while sieving is separating liquid from solid components.

c)

Filtration is separating magnetic from non-magnetic substances while sieving is separating immiscible from non-miscible mixtures.

d)

Filtration is separating liquids with different boiling points while sieving is separating liquid from solid substances using filter.

37.

Which involves separating of mixtures from sieving?

a)

brewed coffee

b)

iron filings from sand

c)

gravel from sand

d)

sugar and water

38.

It is the water (liquid) that has been run through the filter.

a)

sieve

b)

funnel

c)

filtrate

d)

residue

39.

What do you call the particles that are removed from the water by a filter?

a)

sieve

b)

filtrate

c)

impurities

d)

residue

40.

How do you separate oil and water using decantation method?

a)

strainer

b)

filter paper

c)

separating funnel

d)

big screen

41.

It can be used to sort scrap metal from other materials.

a)

magnets

b)

giant electromagnet

c)

magnetism

d)

electromagnetic field

42.

It involves separating a mixture based on different sizes of components.

a)

Decantation

b)

Sieving

c)

Use of Magnets

d)

Filtration

43.

It is a technique in which an insoluble solid is separated from a liquid.

a)

Filtration

b)

Sieving

c)

Decantation

d)

Use of Magnets

44.

James wants to seperate the salt from the water in his glass of salt water. What seperation method should James use?

a)

Magnets

b)

Evaporation

c)

Filter

d)

Using his hands

45.

Nicole wants to dissolve a substance in water. Which substance will dissolve the easiest?

a)

Rocks

b)

sugar

c)

pepper

d)

sand

46.

What item could a magnet separate from a mixture of garbage?

a)

Old metal fork

b)

An apple core

c)

Pieces of paper

d)

A juice can

47.

This method is a technique used in separating a less-dense substance from a denser one.

a)

decantation

b)

evaporation

c)

distillation

d)

filtration

48.

This method is used in separating soluble solid from a liquid such as salt from water.

a)

evaporation

b)

distillation

c)

decantation

d)

filtration

49.

This type of mixture contains two or more substances that are visibly distinguishable

a)

Homogeneous

b)

Heterogeneous

c)

Solution

d)

Colloid

50.

Is a mixture that has uniform composition throughout.

a)

Homogeneous

b)

Heterogeneous

c)

Solution

d)

Colloid

51.
Is  blood a mixture?
a)
No
b)
Yes
52.
In some mixtures, the physical properties of the ingredients ___________ when they are mixed together.
a)
stay the same
b)
change
c)
glow
d)
evaporate
53.
Lemonade is a special mixture called a 
a)
substance
b)
solution
c)
plasma
d)
ingredient
54.

When sugar dissolves in water, the two substances appear as one. The sugar particles can no longer be identified. However, the taste of the water proves that the sugar was not lost after mixing. Its chemical property is retained and so the water taste sweet. What kind of solution is this?

a)

Solid in liquid

b)

Solid in solid

c)

Liquid in liquid

d)

A. Gas in liquid

55.

Homogeneous mixture has the same properties. It means that the substances mixed thoroughly and after stirring, it appeared as one substance. You can no longer distinguish one component from the other. What is the other term for homogenous mixture?

a)

Solution

b)

Dissolution

c)

Solute

d)

Solvent

56.

A sugar solution is prepared by adding dissolving sugar in water. Sugar solution consists of two components, namely, sugar and water. Which is solute?

a)

Water

b)

Sugar

c)

Solution

d)

Components

57.

2. From what mixture do oxygen , carbon dioxide and nitrogen came from ?

a)

Gas in liquid

b)

Gas in gas

c)

Solid in liquid

d)

Liquid in liquid

58.

Let us assumed that the composition varies from one region to another, with at least two phases that remain separate from each other, with clearly identifiable properties. This is a heterogeneous or ___ mixture?

a)

uniform

b)

dissolution

c)

Non-uniform

d)

Solution

59.

There are five kinds of solution. Gas in liquid is one of it, therefore, which of the given example is one of the solution?

a)

Air and water

b)

Cola or Soft drink

c)

Oxygen and salt

d)

Rocks and solvent

60.

Homogeneous mixture has the same properties. It means that the substances mixed thoroughly and after stirring, it appeared as one substance. You can no longer distinguish one component from the other. What is the other term for homogenous mixture?

a)

Solution

b)

Dissolution

c)

Solute

d)

Solvent