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Intro to Chemistry

Total questions: 45

Worksheet time: 3hrs 46mins

Name
Class
Date
1.
The illustrations shows the spacing of particles in different types of matter. Which illustration is an example of the spacing of particles in solids?
a)
illustration A
b)
illustration B
c)
illustration C
d)
illustration D
2.

The process of matter changing from a solid to a gas is called .

a)

Melting

b)

Condensation

c)

Sublimation

d)

Vaporization

3.

When chemical change occurs (ex. iron to iron oxide), molecules and/or compounds are rearranged or broken down and rebuilt.

a)

True

b)

False

4.

In a physical change, a new substance is formed and energy is either given off or absorbed.

a)

True

b)

False

5.
Which state of matter has particles arranged like this?
a)
solid
b)
liquid
c)
gas
6.
Which state of matter has particles arranged like this?
a)
solid
b)
liquid
c)
gas
7.
Which is a physical change?
a)
Liquid water freezing into solid ice
b)
Burning wood
c)
Silver tarnishing
d)
Iron rusting
8.
Flammability is an example of what property?
a)
Chemical property
b)
Physical property
9.
What type of property is the ability to combust?
a)
Physical property
b)
Chemical property
10.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
11.
Which is an example of a physical property?
a)
ability to react with acid
b)
 color
c)
flammability
d)
ability to react with oxygen
12.
Which is NOT a physical property?
a)
odor
b)
reacts with bleach
c)
sinks in water
d)
density
13.
Which of the following is a chemical property of water?
a)
Reacts with pure sodium
b)
Boils at 100 oC
c)
Is liquid at room temperature
d)
Has a density of 1 gm/mL
14.
Alka-Seltzer gives off carbon dioxide when added to water
a)
physical change
b)
chemical change
15.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
16.
What is burning an example of?
a)
physical change
b)
physical property
c)
chemical change
d)
chemical property
17.
Salt dissolving in water is an example of what?
a)
A physical change
b)
A chemical change
c)
A physical property
d)
A chemical property
18.
A homogeneous mixture of two or more substances
a)
Suspension 
b)
Solution 
c)
Formula 
d)
Compound
19.

What is a compound?

a)

two substances that are physically combined

b)

anything that has mass and takes up space

c)

substance made of two or more chemically combined elements

d)

a single atom that cannot be broken down easily

20.

What is an element?

a)

two substances that are physically combined

b)

anything that has mass and takes up space

c)

substance made of two or more chemically combined elements

d)

a single atom that cannot be broken down easily

21.

What does this drawing represent? (not chemically bonded, and only one type of atom present)

a)

element

b)

compound

22.

What does this drawing represent? (more than one atom present and they are chemically bonded)

a)

element

b)

compound

23.

This oatmeal is an example of a...

a)

compound

b)

homogeneous mixture

c)

heterogenous mixture

24.

Pure water is an example of a...

a)

compound

b)

homogeneous mixture

c)

heterogenous mixture

25.

A Switch drink is an example of a...

a)

compound

b)

homogeneous mixture

c)

heterogenous mixture

26.

In a mixture, substances loose their identities and properties.

a)

true

b)

false

27.

Which of the following diagrams represents a pure substance? (all the same atom with the same composition or 2 different atoms bonded with the same composition)

a)
b)
c)
d)
e)
28.

The particles in a gas are...

a)

loose and have high energy

b)

tightly packed and have very little energy

c)

move freely and have lots of energy

d)

I dont know Ms. Turner, I didnt take notes

29.
How is density calculated? 
a)
volume divided by mass
b)
mass divided by volume
c)
putting the object on a scale
d)
melting the object
30.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
31.
The density of this material is 2 g/cm3.
There are 24 cm3  Find the total mass.
a)
12 grams
b)
48 grams
c)
12 g/cm3
d)
48 g/cm3
32.

Pure substances are

a)

elements and compounds

b)

heterogeneous mixtures

c)

solutions

d)

homogeneous mixtures

33.

Gold, silver, zinc, and copper are

a)

elements

b)

mixtures

c)

solutions

d)

compounds

34.

salt and baking soda are

a)

compounds

b)

homogeneous mixtures

c)

solutions

d)

heterogeneous mixtures

35.

Lemonade is a

a)

solution

b)

element

c)

compound

d)

heterogeneous mixture

36.

Oil and water are a

a)

heterogeneous mixture

b)

element

c)

compound

d)

solution

37.

Salt water is a

a)

solution

b)

element

c)

compound

d)

heterogeneous mixture

38.

How would you classify the matter pictured?

a)

Compound

b)

Diatomic Element

c)

Mixture of Elements

d)

Mixture of Compounds

39.

How would you classify the matter pictured?

a)

Compound

b)

Element

c)

Mixture of Elements and Compounds

d)

Mixture of Compounds

40.

How would you classify the matter pictured?

a)

Element

b)

Diatomic Element

c)

Compound

d)

Mixture of Elements

41.

How would you classify the matter pictured?

a)

Element

b)

Compound

c)

Mixture of Compounds

d)

Mixture of Elements

42.

How would you classify the matter pictured?

a)

Mixture of Compounds

b)

Mixture of Elements

c)

Mixture of Compounds and Elements

d)

Element

43.

How would you classify the matter pictured?

a)

Diatomic Element

b)

Mixture of Elements

c)

Compound

d)

Mixture of Compounds

44.

How would you classify a chocolate chip granola bar?

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

45.

How would you classify Chalk (CaCO3)

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

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