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Substances and Mixtures

Total questions: 55

Worksheet time: 27mins

Name
Class
Date
1.

Substances that are made up of ONLY one type of atom .

a)

Heterogeneous mixture

b)

Element

c)

Compound

d)

Homogeneous mixture

2.

Identify which images are PURE SUBSTANCES! (Check all that apply) : )

a)
b)
c)
d)
e)
3.

Identify which images are HETEROGENEOUS MIXTURES! (Check all that apply)

a)
b)
c)
d)
4.

Identify which images are HETEROGENEOUS MIXTURES! (Check all that apply)

a)
b)
c)
d)
5.

Solutions are ___________ mixtures.

a)

Solid

b)

Homogenous

c)

Heterogeneous

d)

Gas

6.

Which of the following is classified as a pure substance?

a)

Lemonade

b)

Fruit punch

c)

ketchup

d)

Helium

7.
What is matter?
a)
Anything that has mass and occupies space
b)
Anything that has mass
c)
Anything that is made of air
d)
ALL of them 
8.
Max is hungry and he prepares cereal with milk. This is an example of a: 
a)

Homogeneous mixture

b)

Heterogeneous mixture

c)

Compound

d)

Substance

9.
Which of the following is a pure substance? 
a)

Water

b)

Salt

c)

Aluminum

d)

ALL of them

10.

Which substances, when mixed together, maintain their original physical properties?

a)

gravel and water

b)

wood chips, water and sand

c)

sand and water

d)

all of the above

11.
What are the two types of Mixtures
a)

Elements and Compounds

b)

Compounds and Mixtures

c)

Atoms and Compounds

d)

Homogenous and Heterogeneous

12.
One specific type of homogeneous mixture is
a)
An atom
b)
An element
c)
A solution
d)
A compound
13.
Cookies and cream ice cream would be classified as
a)
A homogenous mixture
b)
A heterogenous mixture
c)
An element
d)
A compound
14.
Two substances physically combined and that appears the same throughout is classified as
a)
A homogeneous mixture
b)
A heterogeneous mixture
c)
An element
d)
  A compound
15.

Salt (NaCl) is a

a)

pure substance

b)

mixture

c)

element

d)

compound

16.

What type of mixture does this diagram represent?

a)

Homogeneous

b)

Heterogeneous

17.

Chicken noodle soup

a)

Homogeneous mixture

b)

Heterogeneous mixture

18.

Which of the following is classified as a pure substance?

a)

Lemonade

b)

Fruit punch

c)

ketchup

d)

Helium

19.
Max is hungry and he prepares cereal with milk. This is an example of a: 
a)
Homogeneous mixture
b)
Heterogeneous mixture
20.
Two substances physically combined and that appears the same throughout is classified as
a)
A homogeneous mixture
b)
A heterogeneous mixture
c)
An element
d)
  A compound
21.

Which of the following is NOT a mixture?

a)

milk

b)

lemonade

c)

vegetable salad

d)

aluminum

22.
A combination of pure substances, not in fixed amounts, that can be easily separated.is a
a)
MIXTURE
b)
COMPOUND
c)
ATOM
d)
PARTICLE
23.

___________ are the smallest unit of an element that maintains the properties of that element.

a)

Atoms

b)

Elements

c)

Compounds

d)

Mixtures

24.

An _______________ is made up of one or more of the same kind of atom chemically combined.

a)

atom

b)

element

c)

molecule

d)

compound

25.

A ______________ is made up of different kinds of atoms chemically combined.

a)

element

b)

compound

c)

mixture

d)

molecule

26.

True or False: elements AND compounds are pure substances.

a)

True

b)

False

27.

A _________________ mixture is one where the substances are evenly spread throughout.

a)

heterogeneous

b)

homogeneous

c)

pure substance

28.
Jorge prepared a drink and salad for dinner. The chart lists the ingredients for both.
Using the information in the chart, which statement is the BEST description of the drink and salad?
a)

The salad and fruit drink are both mixtures.

b)

The salad is a mixture, but the fruit drink is an element because it is pure all the way through

c)

The fruit drink is a compound because the ingredients can't be separated.

d)

They are both compounds.

29.
The picture shown here is what type of mixture?
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
element
30.
What is the smallest unit of matter?
a)
atom
b)
element
c)
molecule
d)
compound
31.

What type of matter is this?

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

32.

What type of matter is this?

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

33.
a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

34.

A molecule is created when the same _________ is bonded together. For example: C10

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

35.

What matter is this?

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

36.

What type of matter is this?

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

37.

2 or more different elements that are bonded together is called...

a)

A. element

b)

B. compound

c)

C. mixture

d)

D. solution

38.
A substance that contains only one type of atom is a(n)
a)
compound
b)
element
c)
heterogeneous mixture
d)
homogeneous mixture
39.
Which of the following lists only elements?
a)
H2O + OH, MgCl2
b)
H2O, KF, Ne
c)
KCl, Ag, Au
d)
K, Cl, N
40.

Blood is a fluid found in the bodies of humans and other animals. It can be physically separated into plasma, red blood cells and white blood cells. Blood is a ___________________

a)

pure substance

b)

mixture

41.

Methane contains one atom of carbon and four atoms of hydrogen that are chemically bonded. It is a main component of natural gas. Methane is a ___________________ .

a)

pure substance

b)

mixture

42.

Ammonia is a colorless gas with the formula NH3. Ammonia contains hydrogen and nitrogen and cannot be broken down physically. Ammonia is a ___________________ .

a)

element

b)

compound

43.

Nickel has the chemical symbol Ni and atomic number 28. It is a silvery-white metal and cannot be broken down physically or chemically into a more simple substance. Nickel is a ___________________ .

a)

element

b)

compound

44.

In the lab, Maya is using a substance that has a chemical formula and contains two different elements. Maya’s substance is a(n) _______ .

a)

element

b)

compound

c)

heterogeneous mixture

d)

homogenous mixture/solution

45.

Granite is an igneous rock that contains the minerals quartz, feldspar, mica and others. The exact composition will vary from sample to sample. Granite is a(n) _______ .

a)

element

b)

compound

c)

heterogeneous mixture

d)

homogenous mixture/solution

46.

What two types of matter are pure substances?

a)

elements and solutions

b)

compounds and mixtures

c)

elements and compounds

d)

mixtures and solutions

47.

Mixtures that have the same composition throughout are...

a)

heterogeneous

b)

homogeneous

c)

elements

d)

pure substances

48.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)

made of only one kind of atom

b)

made of two different elements.

c)

not chemically bonded

d)

not the same everywhere on Earth

49.

Which if the following is described as being pure substances?

a)

elements

b)

compounds

c)

elements and compounds

d)

mixtures

50.

Which of the following describes a substance that has been physically combined and is NOT uniform throughout (you see the DIFFERENT parts that make it up)?

a)

Homogeneous Mixture

b)

Compound

c)

Heterogeneous mixture

d)

element

51.

A student is observing a substance that contains multiple element that have been chemically combine C6H12O6 (SUGAR). Which of the following best describes what the student is observing?

a)

Heterogeneous Mixture

b)

Homogeneous Mixture

c)

Element

d)

Compound

52.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
d)

atom

53.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
d)

atom

54.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
d)

atom

55.

This substance can be separated by physical means such as filtering, sifting, and evaporating.

a)

Mixtures

b)

Pure Substances

c)

Elements

d)

Compounds

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