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Final Exam Review Chemistry

Total questions: 53

Worksheet time: 51mins

Name
Class
Date
1.
The state of matter in which a substance has a definite volume but no definite shape.
a)
gas
b)
liquid
c)
solid
d)
matter
2.
A combination of two or more different substances in which the substances keep their identities. 
a)
reaction
b)
mixture
c)
solution
d)
atom
3.
The smallest unit into which an element can be divided and still retain all the properties of that element.
a)
atomic theory
b)
compound
c)
element
d)
atom
4.

The table lists some physical properties of two objects. Based on their properties, which of the objects is most likely a metal?

a)

Object 1, because it is a solid that is less dense than water

b)

Object 2, because all metals float in water

c)

Object 2, because metals conduct thermal energy and electricity

d)

Object 1, because it can be used to provide insulation for thermal energy

5.

What is the least dense liquid in this container?

a)

Honey

b)

vegetable oil

c)

lamp oil

d)

water

6.
What is the formula for calculating density?
a)
Mass ∗ Volume
b)
Volume ∗ Mass
c)
Mass ÷ Volume
d)
Volume ÷ Mass
7.

The particles in a liquid are...

a)

loose and have high energy

b)

tightly packed and have very little energy

c)

move freely and have lots of energy

d)

the particles don't move

8.

The particles in a solid are...

a)

loose and have high energy

b)

tightly packed and have very little energy

c)

move freely and have lots of energy

d)

none of the above

9.
A block has a mass of 54g and a volume of 20cm3.  What is the density of the block?
a)
74 g/cm3
b)
1080 g/cm3
c)
34 g/cm3
d)
2.7 g/cm3
10.

What do protons, electrons and neutrons make?

a)

element

b)

compound

c)

atom

11.

Which are physical properties of matter?

a)

mass

b)

conductivity

c)

volume

d)

boiling/melting point

e)

all of these

12.

Which is a chemical properties of matter?

a)

mass

b)

conductivity

c)

volume

d)

boiling/melting point

e)

flammability

13.

Something that allows energy to flow through it easily

a)

state of matter

b)

conductor

c)

insulator

d)

property

14.
The particles that are found in the nucleus of an atom are
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
15.
the starting materials in a chemical reaction
a)
Products
b)
Reactants
c)
Starters
d)

finishers

16.
The substances listed on the right side of a chemical equation are the
a)
Yields
b)
Reactants
c)
Products
d)
Precipitates
17.

The process by which one or more substances change to produce one or more different substances

a)

Chemical Process

b)

Reactant

c)

Chemical Reaction

18.
In the equation,          2Mg + O2 ---> 2MgO, which are the reactants?
a)
Mg and O
b)
MgO
c)
Mg and MgO
d)
O and MgO
19.

6CO2+ 6H2O → C6H12O6 + 6O26CO_2+\ 6H_2O\ \rightarrow\ C_6H_{12}O_{6\ }+\ 6O_2  

The carbon atoms are balanced with ____ on each side of the reaction.

a)

1

b)

6

c)

2

20.

Determined whether the following equation is balanced or unbalanced. Ag + O2 ---> 2Ag2O

a)

Balanced

b)

Unbalanced

21.

Determine whether the following equations is balanced or unbalanced. H4 + O2 ---> 2H2O

a)

Balanced

b)

Unbalanced

22.

Determine whether the following equation is balanced or unbalanced. H2 + Br2 ---> 2HBr

a)

Balanced

b)

Unbalanced

23.

In order for an equation to be balanced, there must be ...

a)

an equal amount of atoms on both sides

b)

a greater mass on the product side

c)

a greater mass on the reactant side

d)

elements with the same atomic # on both sides

24.
The law of conservation of mass states that....
a)
Matter can be made
b)
Matter can be destroyed
c)
Matter can neither be made or destroyed
d)
Matter can evaporate
25.
How many atoms of aluminum are on each side of the following equation: 4Al + 3O2 --> 2Al2 O3
a)
2
b)
6
c)
1
d)
4
26.
A mixtures is a combination of two or more____________ in which no new kinds of matter are formed.
a)
 subtances
b)
parts
c)
leaves
d)
pebbles
27.
To separate the sugar and lemonade what method should you use?
a)
filtration 
b)
sorting
c)
magnet
d)
boiling
28.
To separate trail mix what method should you use?
a)
filtration 
b)
sorting
c)
magnet
d)
boiling
29.
To separate iron filings and sulfur what method should you use?
a)
filtration 
b)
sorting
c)
magnet
d)
boiling
30.
To separate noodles from water what method should you use?
a)
filtration with a strainer
b)
boiling while it is cooking
c)
magnet for the noodles
31.
Which mixture separation method would work with picking up nails?
a)
filtration 
b)
magnet
c)
boiling/evaporation
d)
sorting physically
32.
Which mixture separation method would use to separate sugar from water?
a)
filtration 
b)
magnet
c)
boiling/evaporation
d)
sorting physically
33.

Two or more different elements chemically combine to form compounds.

a)

Agree

b)

Disagree

34.

Compounds have properties different from the elements that make it up.

a)

Agree

b)

Disagree

35.

Can be broken down into a simpler substance

a)

Elements

b)

Compounds

c)

Both

36.

Located on the Periodic Table

a)

Elements

b)

Compounds

c)

Both

37.

Composed of at least two different elements

a)

Elements

b)

Compounds

c)

Both

38.

This picture represents which of the following?

a)

element

b)

compound

39.

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is ---

a)

a gas at room temperature.

b)

made of two different elements.

c)

given off by green plants.

d)

useful to human beings

40.

Identify the particles.

a)

solid

b)

liquid

c)

gas

d)

none

41.

A substance that has no definite volume or shape.

a)

gas

b)

liquid

c)

solid

42.

Identify the state of matter.

a)

Solid

b)

Liquid

c)

Gas

d)

None of these

43.
Which state of matter has particles arranged like this?
a)
solid
b)
liquid
c)
gas
44.

Is this drawing, what is an example of gas?

a)

the glass

b)

the ice cubes

c)

the bubbles

d)

the straw

45.

The state of matter shown in diagram B...

a)

solid

b)

liquid

c)

gas

46.
Which of the following models best demonstrates a balanced chemical equation?
a)
F
b)
G
c)
H
d)
J
47.
Coal contains carbon and other elements. Carbon dioxide forms when coal burns in the presence of oxygen. Which of these is the best evidence that a chemical reaction occurs when coal burns?
a)
The shape of the coal changes
b)
Oxygen is present
c)
A new substance is produced
d)
Coal is made up of more than one element
48.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
49.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
50.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
51.
Is melting ice a chemical or physical change?
a)
chemical
b)
physical
52.
Is mixing lemonade powder with water a physical or chemical change?
a)
physical
b)
chemical
53.
Which of the following equations demonstrates an actual chemical reaction that forms a new substance? (HINT: it must follow the Law of Conservation of Mass)
a)
A
b)
B
c)
C
d)
D

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