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Classifying Matter Quiz

Total questions: 35

Worksheet time: 29mins

Name
Class
Date
1.
Which statement below is TRUE about compounds?
a)
The properties of compounds are totally different than the properties of the elements that form them
b)
All compounds are listed on the Periodic Table of Elements
c)
A compound is a pure substance that is made from one type of atom
d)
The properties of compounds are the same as the properties of the elements that form them
2.
Classify Sulfuric Acid (H2SO4) as an element or compound.
a)
Element
b)
Compound
3.
Classify Sulfur (S) as an element or compound.
a)
Element
b)
Compound
4.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
5.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
6.

Which of the following is NOT a compound?

a)

HCl

b)

Cl

c)

NaCl

d)

CO2

7.

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

a)

A. element

b)

B. compound

c)

C. mixture

d)

D. solution

8.
A substance that contains only one type of atom is a(n)
a)
compound
b)
element
c)
heterogeneous mixture
d)
homogeneous mixture
9.

Humans absorb oxygen from the air they breathe in and exhale carbon dioxide gas, CO2. Carbon dioxide gas is

a)

an element made of carbon and oxygen atoms.

b)

a solution made of carbon and oxygen atoms.

c)

a compound of carbon and oxygen atoms.

d)

a mixture of carbon and oxygen atoms.

10.

Italian Salad Dressing is made by physically combining olive oil, vinegar, oregano seasoning, pepper, and other seasoning. The oil and water in salad dressing have different densities so this mixture needs shaken up well before you use it. How do we classify Salad Dressing?

a)

heterogeneous mixture

b)

homogeneous mixture

11.

Kool-Aid: made by physically combining water, sugar, red food coloring, and flavoring. After the Kool-aid dissolves, we call this a solution. How would we classify Kool-Aid?

a)

element

b)

Heterogeneous Mixture

c)

Homogeneous Mixture

d)

Compound

12.

How would you separate the ingredients of mixture Z?

a)

Water

b)

A magnet

c)

A strainer/filter

d)

My hands

13.

How would you separate the ingredients of mixture W?

a)

Water

b)

A magnet

c)

A strainer/filter

d)

My hands

14.

How would you separate the ingredients of mixture X?

a)

You cannot separate this mixture because its homogeneous

b)

You can boil the mixture to separate the water from the lemon juice

c)

You can use a funnel to separate the water from the lemon juice

d)

You can separate the lemon juice from the water by using a filter.

15.

Which of the following values would represent the pH of a strong acid?

a)

1

b)

6

c)

7

d)

13

16.

Which of the following values would represent the pH of a strong base?

a)

1

b)

8

c)

7

d)

13

17.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
18.
Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
a)
Acids; pH less than 7
b)
Acids; pH greater than 7
c)
Bases; pH greater than 7
d)
Bases; pH less than 7
19.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
20.
Bleach is a strong base, what is the pH level of bleach?
a)
13
b)
14
c)
1
d)
2
21.

A substance that has a pH of exactly 7.

a)

acid

b)

neutral

c)

alkaline

d)

toxic

22.

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

a)

element

b)

compound

c)

mixture

d)

molecule

23.

True or False: elements AND compounds are pure substances.

a)

True

b)

False

24.

A ______________ mixture is one that does not have a uniform composition. (it looks different throughout)

a)

heterogeneous

b)

homogenous

c)

pure substance

25.

A _________________ mixture is one where the substances are evenly spread throughout. (they look unified and the same throughout)

a)

heterogeneous

b)

homogeneous

26.

Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.

a)

heterogeneous

b)

homogeneous

c)

pure

27.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

28.

Which of these is a mixture?

a)

Laundry Detergent

b)

Salt (NaCl)

c)

Oxygen (O)

d)

Fluorine (Fl)

29.

Classify this picture:

a)

homogeneous

b)

hetergeneous

c)

pure substance

d)

element

30.

What type of substance is pictured?

a)

element

b)

compound

c)

mixture

31.

Which is a mixture of compounds?

a)
b)
c)
d)
32.

What is it?

a)

Pure Substance

b)

Mixture

33.
a)

Pure Substance

b)

MIxture

34.

What is it?

a)

Pure Substance

b)

Mixture

35.

Mixtures are called "mixtures" because they are ________________ combined

a)

Physically

b)

Chemically

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