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EMC Review

Total questions: 52

Worksheet time: 30mins

Name
Class
Date
1.
a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

2.
a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

3.

Which statement is true about compounds?

a)

a pure substance where two or more elements are chemically combined

b)

a homogenous mixture of 2 or more elements

c)

a pure substance containing only one type of atom

d)

a heterogeneous mixture of 2 or more elements chemically combined

4.

What has a formula?

a)

Elements only

b)

Compounds only

c)

All Pure substances

d)

Mixtures

5.

How are Mixtures made?

a)

Chemically

b)

Physically

c)

Physically and Chemically

d)

Found in Nature

6.
What is CO2 and example of?
a)
element
b)
mixture
c)
compound
7.
Contains only one kind of atom.
a)
Element
b)
Compund
c)
Mixture
8.
Contains two or more atoms combined
a)
Elements
b)
Compounds
c)
Mixtures
9.
The air is a _________. 
a)
element 
b)
mixture 
c)
compound 
d)
energy 
10.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
11.
What is H2SO4 
 made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
12.
These can only be separated by chemical means. 
a)
element 
b)
compound 
c)
mixture 
d)
stuff 
13.

NaCl

a)

Element

b)

Compound

c)

Mixture

14.

H2

a)

Element

b)

Compound

c)

Mixture

15.

H2 + Mg

a)

Element

b)

Compound

c)

Mixture

16.

Mg

a)

Element

b)

Compound

c)

Mixture

17.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
18.

Which example is a compound?

a)

N2

b)

O2

c)

Cu

d)

H2O2

19.
What type of substance is being represented: O2?
a)
Element
b)
Compound
c)
Mixture
20.
Which option shows only elements?
a)
NaCl, MgO, OH
b)
O, He, H, 
c)
OH, He, Al
d)
O+H, He+Al
21.
Which of the following requires a chemical change to separate it?
a)
He
b)
H2O
c)
He+OH
d)
KCl+ H3O
22.
Magnesium and chlorine bond to form magnesium chloride. What type of substance has formed?
a)
Element
b)
Compound
c)
Mixture
23.
Salt water would require what type of change to separate it?
a)
Physical 
b)
Chemical
24.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
25.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements and Compounds
d)
Mixture of Elements
26.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements & Compounds
d)
Mixture of Compounds
27.
Classify the picture with the correct label.
a)
Compounds
b)
Mixture of Elements
c)
Mixture of Compounds
d)
Mixture of Elements & Compounds
28.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Compounds
d)
Mixture of Elements
29.
Classify the picture with the correct label.
a)
Mixture of Compounds
b)
Mixture of Elements
c)
Compound
d)
Mixture of Elements & Compounds
30.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
31.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
32.
a)
Element
b)
Compound
c)
Mixture of compound and element
d)
Mixture of elements
33.
a)
Element
b)
Compound
c)
Mixture of compound and element
d)
Mixture of elements
34.

This image is a model of...

a)

an element

b)

a compound

c)

a homogenous mixture

d)

a heterogeneous mixture

35.

This picture is a model of...

a)

an element

b)

a compound

c)

a homogenious mixture

d)

a heterogeneous mixture.

36.

The image below is an example of

a)

an atom

b)

a molecule

c)

a homogeneous mixture

d)

a heterogeneous mixture

37.

The image below is an example of

a)

a homogeneous mixture

b)

a compound

c)

a heterogeneous mixture

d)

an element

38.

The chart below lists some substances and their symbols. How many of these substances are examples of elements?

a)

1

b)

2

c)

3

d)

4

39.

In the diagrams provided, the circles of different colors represent the atoms of different elements. Which diagram represents a mixture?

a)

I

b)

II

c)

III

d)

IV

40.
Italian Salad Dressing is a . . .
a)
heterogeneous mixture
b)
homogeneous mixture
c)
Pure Substance
d)
Compound
41.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
42.
Lemonade is a special mixture called a 
a)
substance
b)
solution
c)
plasma
d)
ingredient
43.
A solution is a mixture of one or more substances _________ evenly into another substance.
a)
dissolved
b)
evaporated
c)
carried
d)
split
44.
To dissolve in water.
a)
solubility
b)
density
c)
mixture
d)
evaporation
45.

What is a mixture in which all the parts are EVENLY mixed?

a)

energy

b)

beaker

c)

solution

d)

salad

46.
Chocolate milk is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
47.
Salad is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
48.
Coloured water is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
49.
Chicken noodle soup is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
50.
Soil is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
51.
Lemonade is an example of a
a)
homogeneous mixture
b)
heterogeneous mixture
52.
Cookies and cream ice cream would be classified as
a)
A homogenous mixture
b)
A heterogenous mixture
c)
An element
d)
A compound

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