wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Chemistry Practice Test

Total questions: 75

Worksheet time: 12hrs 2mins

Name
Class
Date
1.

This chemical formula is an example of what type of reaction?

2HNO3 + Be(OH)2 → Be(NO3)2 + 2H2O

a)

Synthesis

b)

Single replacement

c)

Combustion

d)

Decomposition

e)

Neutrlalization

2.

This chemical formula is an example of what type of reaction?

2KClO3  → 2KCl + 3O2

a)

Synthesis

b)

Single replacement

c)

Combustion

d)

Decomposition

e)

Neutrlalization

3.

This chemical formula is an example of what type of reaction?

4Fe + 3O2 → 2Fe2O3

a)

Synthesis

b)

Single replacement

c)

Combustion

d)

Decomposition

e)

Neutrlalization

4.

This chemical formula is an example of what type of reaction?

Cd(NO3)2 + Na2S → 2NaNO3 + CdS

a)

Synthesis

b)

Single replacement

c)

Combustion

d)

Decomposition

e)

Double replacement

5.

This chemical formula is an example of what type of reaction?

Sn + 2AgNO3 → Sn(NO3)2 + 2Ag

a)

Synthesis

b)

Single replacement

c)

Combustion

d)

Decomposition

e)

Double replacement

6.

This chemical formula is an example of what type of reaction?

2C2H6 + 7O2 → 4CO2 + 6H2O

a)

Synthesis

b)

Single replacement

c)

Combustion

d)

Decomposition

e)

Double replacement

7.

What type of compound is this?

C2H6

a)

base

b)

acid

c)

salt

d)

water

e)

hydrocarbon

8.

What type of compound is this?

LiNO3

a)

base

b)

acid

c)

salt

d)

water

e)

hydrocarbon

9.

What type of compound is this?

CH3COOH

a)

base

b)

acid

c)

salt

d)

water

e)

hydrocarbon

10.

What type of compound is this?

H2O

a)

base

b)

acid

c)

salt

d)

water

e)

oxide

11.

What type of compound is this?

Mg(OH)2

a)

base

b)

acid

c)

salt

d)

water

e)

oxide

12.

What type of compound is this?

SO2

a)

base

b)

acid

c)

salt

d)

water

e)

oxide

13.

A chemical reaction in which a substance is broken down into simpler substances is an example of

a)

synthesis

b)

decomposition

c)

combustion

d)

single replacement

14.

Inexpensive iron metal can be used to obtain precious silver metal from a silver nitrate solution. Which reaction type best describes this reaction?

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

15.

In the equation 2Al(s) + 3FeSO4(aq) → 3Fe(s) + Al2(SO4)3(aq) , iron has been replaced by

a)

sulfur

b)

sulfate

c)

aluminum

d)

oxygen

16.

Which of the following statements are true for the following reaction:

H2CO3 + 2NaOH → Na2CO3 + 2H2O

a)

I and III only

b)

II and IV only

c)

I, II, and III only

d)

I, III, and IV only

17.

Classify the following reaction: 2CH3OH + 3O2 → 2CO2 + 4H2O

a)

synthesis

b)

single replacement

c)

double replacement

d)

combustion

18.

What type of reaction is represented by the equation C2F4 + F2 → C2F6

a)

synthesis

b)

double replacement

c)

single replacement

d)

combustion

19.

What type of reaction is shown below, and what is the balanced equation for this reaction?

strontium phosphate + sulfurous acid → strontium sulfite + phosphoric acid

a)

neutralization: Sr3(PO4)2 + 3H2SO4 → 3SrSO4 + 2H3PO4

b)

neutralization: Sr3(PO4)2 + H2SO4 → SrSO4 + H3PO4

c)

double replacement: Sr3(PO4)2 + 3H2SO3 → 3SrSO3 + 2H3PO4

d)

double replacement: Sr3(PO4)2 + H2SO3 → SrSO3 + H3PO4

20.

A strip of magnesium ribbon is added to a solution of hydrochloric acid to produce hydrogen gas. What is the other product that would result from this reaction?

Mg(s) + HCl(aq) → H2(g) + ?

a)

O2

b)

H2O

c)

Mg

d)

MgCl2

21.

Aluminum foil is placed in a copper(II) bromide solution and a reaction occurs. What would you expect the products of this reaction to be?

a)

AlBr3 and Cu

b)

Al, Cu, and Br2

c)

CuBr2 and Al

d)

AlCu and Br2

22.

Which of the following substances, when reacted, are responsible for forming Li2S and H2O?

a)

sulfuric acid and lithium hydroxide

b)

hydrosulfuric acid and lithium hydroxide

c)

sulfuric acid and lithium metal

d)

hydrosulfurous acid and lithium metal

23.

Which of the following is NOT a property of an acetic acid solution?

a)

conducts electricity

b)

has a high pH

c)

corrodes metal

d)

has a low OH- concentration

24.

Which of the following substances is most likely to have the lowest pH?

a)

eggs

b)

bleach

c)

lemon

d)

milk

25.

Solution A has a pH of 9 while Solution B has a pH of 3. Which of the following statements best describes the relative concentration of hydrogen ions for the solutions?

a)

The H+ concentration in solution B is six times higher than in solution A.

b)

The H+ concentration in solution A is one million times higher than in solution B.

c)

The H+ concentration in solution B is one million times higher than in solution A.

d)

The H+ concentration in solution A is six times higher than in solution B.

26.

Which of the following statements correctly relates pH and concentration of H+ and OH- ions in an aqueous solution?

a)

As the concentration of H+ increases, concentration of OH- decreases, and pH decreases.

b)

As the concentration of H+ increases, concentration of OH- increases, and pH increases.

c)

As the concentration of H+ decreases, concentration of OH- increases, and pH decreases.

d)

As the concentration of H+ decreases, concentration of OH- decreases, and pH decreases.

27.

A solution is found to have an H+ ion concentration 1000 times lower than that of pure water. Which of the following conclusions would correspond to this observation?

a)

a basic solution with a pH of 10

b)

an acidic solution with a pH of 4

c)

an acidic solution with a pH of 10

d)

a basic solution with a pH of 4

28.

What does the number 3 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

29.

What does the number 4 represent in 4NH3?

a)

Subscript

b)

Superscript

c)

Coefficient

30.

How many Nitrogen (N) atoms are in 4NH3?

a)

4

b)

1

c)

3

d)

12

31.

How many Hydrogen (H) atoms are in 4NH3?

a)

4

b)

1

c)

3

d)

12

32.

How many total molecules is 4NH3?

a)

4

b)

1

c)

3

d)

12

33.

In the equation shown, what are the reactant(s)?

a)

N2 + H2

b)

NH3

34.

In the equation shown, what are the product(s)?

a)

N2 + H2

b)

NH3

35.

Is this equation balanced?

a)

Yes

b)

No

36.

Is this equation balanced?

a)

Yes

b)

No

37.

To balance an equation you should:

a)

ONLY change subscripts.

b)

ONLY change coefficients.

c)

Change BOTH subscripts and coefficients.

38.

An atom with 1 valence electron 'needs' a full shell, so it can either gain 7 electrons or lose 1. Which is more likely to occur?

a)

nothing

b)

gain 7

c)

lose 1

39.

Valence electrons are found

a)

in the outermost energy level (shell)

b)

in the innermost energy level (shell)

c)

some where in the electron cloud around the atom

40.

What two types of atoms make a covalent bond?

a)

2 nonmetals

b)

2 metals

c)

1 metal and 1 nonmetal`

41.

How many valence electrons does Boron have?

a)

1

b)

2

c)

3

d)

4

42.

When an atom loses an electron, it becomes a

a)

positive ion

b)

negative ion

43.

Ionic bonds are between

a)

metals and nonmetals

b)

2 metals

c)

2 nonmetals

44.

Water (H2O) is an example of what?

a)

molecular compound (covalent compound)

b)

ionic compound

45.

Salt (NaCl) is an example of what?

a)

ionic compound

b)

covalent compound

46.

pH is the measure of the concentration of ______.

a)

Acids

b)

H+ ion

c)

OH- ion

d)

Bases

47.
If a solution is basic which ion will be more present?
a)
H+
b)
K+
c)
OH-
d)
H-
48.

A substance that is 3 on the pH scale would be a(n):

a)

acid

b)

base

c)

neutral

d)

solute

49.
A substance that changes color when mixed with an acid or base is a(n) ___.
a)
indicator
b)
neutralizer
c)
corrosive
d)
electricity
50.
Bases are located where on the pH scale?
a)
any number can be a base
b)
below 7
c)
above 7
d)
number 7 is a base
51.
A neutralization reaction will always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
52.
Zn(OH)2 is an example of a...
a)
acid
b)
base
c)
salt
53.
H3PO4 is an example of a ...
a)
acid
b)
base
c)
salt
54.
Identify the salt in the following equation:
Zn(OH)2 + HNO3   ---> H2O  + Zn(NO3)2
a)
Zn(OH)2
b)
HNO3
c)
H2O
d)
Zn(NO3)2
55.
NaCl is a ...
a)
acid
b)
base
c)
salt
d)
water
56.

What is a chemical reaction?

a)

a process that transforms hazardous chemicals into less harmful substances and during which energy is absorbed

b)

a process that rearranges atoms of one or more substances to form different substances

c)

a process that occurs only in living organisms

d)

a process that is usually reversible and does not create new substances

57.

Which of the following is not an example of a chemical reaction?

a)

baking a cake

b)

chewing a piece of bread

c)

melting ice into water

d)

iron rusting

58.

______ molecules are found in nature as pairs of two atoms of the same type covalently bonded together.

a)

Diatomic

b)

Monatomic

c)

Polyatomic

d)

Network

59.
Why do bonds form?
a)
To fill the valence shell of electrons for the elements involved
b)
to release energy stored in the bonds
c)
because whenever you mix two chemicals, there will be a reaction
d)
because of attraction
60.

Bonds formed by sharing electrons between atoms are

a)

ionic

b)

metallic

c)

covalent

d)

dipole-dipole

61.

Bonds formed by transferring electrons from one atom to another are

a)

ionic

b)

metallic

c)

non polar covalent

d)

covalent

62.
What type of reaction occurs in a hand warmer
a)
exothermic
b)
endothermic
63.
Exothermic reactions...
a)
Absorb energy
b)
Release energy
c)
Release Color
d)
Absorb Color
64.
In an endothermic reaction, heat is ...
a)
taken in or absorbed
b)
given out or released 
65.
If they energy required to break the bonds is greater than the energy given out by making new bonds the reaction is
a)
Exothermic
b)
Endothermic
c)
Neutralisation
66.
If they energy required to break the bonds is less than the energy given out by making new bonds the reaction is
a)
Exothermic
b)
Endothermic
c)
Neutralisation
67.

electrons have a _________ charge

a)

positive

b)

negative

c)

neutral

68.

Which of the following is true about the formation of bonds between molecules?

a)

Energy is given off when bonds are formed between molecules.

b)

Energy is absorbed by the molecule when bonds are formed.

c)

Energy is neither given off nor absorbed when bonds are formed.

d)

Energy is given off when bonds are broken.

69.

The energy level of molecules will _________ during bond breaking and _________ during bond forming.

a)

decrease, increase

b)

increase, increase

c)

increase, decrease

d)

decrease, decrease

70.

What is this an energy level diagram of?

a)

Exothermic

b)

Endothermic

71.

What is this an energy level diagram of?

a)

Exothermic

b)

Endothermic

72.

What is this an energy level diagram of?

a)

Exothermic

b)

Endothermic

73.

Which element would be in group 16?

a)

V

b)

W

c)

X

d)

Y

e)

Z

74.

How would you classify this diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

75.

How would you classify this diagram?

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

e)

Mixture of Elements and Compounds

Similar Resources on Wayground

AMIN

78 questions

AMIN

quiz

Worksheet

•

12th Grade

Modulo I Acuacultura. Ejercicio. Centro Multimodal.

77 questions

Modulo I Acuacultura. Ejercicio. Centro Multimodal.

quiz

Worksheet

•

9th Grade

Genetic Engineering and Evolution

80 questions

Genetic Engineering and Evolution

quiz

Worksheet

•

12th Grade

Unit 13 Special Senses Test

74 questions

Unit 13 Special Senses Test

quiz

Worksheet

•

9th - 10th Grade

HCAI Quizzers (Science)

80 questions

HCAI Quizzers (Science)

quiz

Worksheet

•

6th - 10th Grade

IB Bio Sem 1 Final Exam - Data Analysis

71 questions

IB Bio Sem 1 Final Exam - Data Analysis

quiz

Worksheet

•

11th Grade

CP2 Final Study Guide

70 questions

CP2 Final Study Guide

quiz

Worksheet

•

10th Grade

Forensic Science Unit 1

78 questions

Forensic Science Unit 1

quiz

Worksheet

•

12th Grade