wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Week 4 quiz Night School w/mole

Total questions: 93

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
Two Reactants and One Product
a)
Decomposition
b)
Combination
c)
Combustion
d)
Single Replacement
2.
CxHy +O2 --> H2O + CO2
a)
Decomposition
b)
Double replacement
c)
Combustion
d)
Single Replacement
3.
Always starts with a hydrocarbon that reacts with oxygen and produces carbon dioxide and water. 
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
4.
One reactant into several products.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
5.
One element replaces another in a compound.
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
6.
What is the type of reaction shown at the top?
a)
Combination
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
7.
This pictures simulates what type of reaction?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
8.
What type a reaction is taking place in this picture?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
9.
What does (aq) mean in a chemical reaction?
a)
Ag
b)
silver
c)
aqualirious
d)
aqueous
10.
The following reaction is an example of what reaction type? 
CoCO3 → CoO + CO2
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
11.
Si + S8 --> Si2S4
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
12.
KOH + H3PO4 --> K3PO4 + H2O
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
13.
Pb(NO3)2 --> PbO + NO2 + O2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
14.
What are the products in the following chemical equation? 
2H2 + O2   -->   2H2O
a)
H2
b)
O2
c)
2H2 + O2
d)
2H2O
15.
What are always the product(s) for the combustion of a hydrocarbon?
a)
O2
b)
Acids and Bases
c)
H2O and CO2
d)
H2 and C
16.
When balancing equations what does
 -->
mean?
a)
subscript
b)
equals
c)
it is just an arrow
d)
yield
17.
What is the left part of a chemical equation called?
H2 + O → H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
18.
What is the right part of a chemical equation called?
H2 + O → H2O
a)
Reactants
b)
Products 
c)
Yields 
d)
Chemical Equation 
19.
Switching one substance for another
a)
Displacement
b)
Synthesis
c)
Decomposition
d)
Oxidation
20.
Breaking down a substance into simpler substances
a)
Displacement
b)
Synthesis
c)
Decomposition
d)
Oxidation
21.
Combining substances to form a new substance
a)
Displacement
b)
Synthesis
c)
Decomposition
d)
Oxidation
22.
What kind of reaction is this:
Fe + CuSO4 -> Cu + FeSO4
a)
Double Replacement
b)
Decompostion
c)
Single Replacement
d)
Combustion
23.
What kind of reaction is this:
2H2O2 →2 H2O + O2
a)
Synthesis
b)
Decomposition
c)
Single Replacement 
d)
Combustion
24.
What kind of reaction is this:
4Fe  +  3O2 →   2Fe2O3 
a)
Synthesis
b)
Decomposition
c)
Single Replacement 
d)
Double Replacement
25.
If an element is diatomic it should have a subscript of___
a)
2, always
b)
2, only when it is by itself
c)
it shouldn't have a subscript, it should have a coefficent
26.
What are the correct formulas and coefficients for the products of the following single-replacement reaction?
Mg + Al(OH)3 →
a)
No Reaction
b)
Al + Mg(OH)3
c)
2 Al + 3 Mg(OH)2
d)
3 Al + MgOH3
27.
What are the products of this reaction?
Cu+ AgNO3--> 
a)
Cu(NO3)2+Ag
b)
CuNO3 + Ag
c)
CuAg+NO3
d)
Cu+ AgNO3
28.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
29.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
30.
Pb(NO3)2 --> PbO + NO2 + O2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
31.

Which type of chemical reaction has two or more reactants to make one product?

a)

combustion

b)

single displacement

c)

double displacement

d)

synthesis

e)

decomposition

32.

Identify the following chemical reaction.

2 NaBr + 1 Ca(OH)2 ----> 1 CaBr2 + 2 NaOH

a)

Synthesis (or combination)

b)

Decomposition

c)

Single displacement

d)

Double displacement

33.

Identify the following chemical reaction.

3 HBr + 1 Al(OH)3 ----> 3 H­2O + 1 AlBr3

a)

Synthesis (or combination)

b)

Decomposition

c)

Single displacement

d)

Double displacement

34.

Identify the following chemical reaction.

Pb + FeSO4 ----> PbSO4 + Fe

a)

Synthesis (or combination)

b)

Decomposition

c)

Single displacement

d)

Double displacement

35.

What reaction has the following general formula:

AB --> A + B

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

36.

What reaction has the following general formula:

A + CD --> C + AD

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

37.

What reaction has the following general formula:

AB + CD --> CB + AD

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

38.

What reaction has the following general formula:

A + B --> AB

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

39.

Combustion reactions will always involve

a)

Oxygen and a solid

b)

Liquid nitrogen and heat

c)

Oxygen and heat/energy

d)

CO and H2O

40.

Which chemical reaction always starts with a hydrocarbon that reacts with oxygen and produces carbon dioxide and water?

a)

Decomposition

b)

Synthesis

c)

Combustion

d)

Single Replacement

41.

Which phrase describes what happens to atoms in a chemical reaction?

a)

never lost or gained, just rearranged

b)

sometimes lost, never rearranged

c)

sometimes lost, gained, or rearranged

d)

lost or gained, never rearranged

42.
In a chemical reaction, everything to the right of the arrow is called ______________.
a)
Products
b)
Yields
c)
Molecules
d)
Reactants
43.

Which of the following is a compound?

a)

zinc (Zn)

b)

magnesium (Mg)

c)

sodium chloride (NaCl)

d)

potassium (K)

44.

Which of the following is an element?

a)

potassium chloride (KCl)

b)

water (H2O)

c)

carbon (C)

d)

calcium carbonate (CaCO3)

45.

What is the Molar Mass for Calcium Hydroxide Ca(OH)2?

a)

74.1 g/mol

b)

114.14 g/mol

c)

58.09 g/mol

46.
How many Oxygen atoms are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
47.
How many Oxygen atoms are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
48.
What is the molar mass of table salt (NaCl)?
a)
116.886 g/mol
b)
35.453 g/mol
c)
22.990 g/mol
d)
58.443 g/mol
49.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
50.
How many Magnesium are in 10MgCl2?
a)
10
b)
5
c)
20
51.

How many different elements are in C6H12O6?

a)
1
b)
2
c)
3
d)
4
52.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
53.
Number of N in (NH₄)₂CrO₄
a)
1
b)
2
c)
8
d)
16
54.
(Element or Compound)
       C2H8O 
a)
Element
b)
Letters
c)
Numbers
d)
Compound
55.
A subscript is the small number below a(n) ________ that tells the number of _______ of that element.
a)
element symbol; atoms
b)
atom; element symbol
c)
subscript; protons
d)
compound; elements
56.
How many Oxygen atoms are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
57.
Number of H in 3(NH₄)₂CrO₄
a)
4
b)
2
c)
8
d)
24
58.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
59.
How many Oxygen atoms are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
60.
How many total atoms are in this compound?
H2C3O4N5
a)
5
b)
14
c)
15
d)
19
61.
If there is no subscript, there is/are ______ atom(s) of that element.
a)
0
b)
2
c)
only 1
d)
1 million
62.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
63.
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
64.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
65.
How many Oxygen are in H2O?
a)
1
b)
2
c)
0
d)
4
66.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
67.
What are the small numbers that go AFTER an element symbol called? Like the 2 in H2O ?
a)
subscript
b)
symbol
c)
coefficient
d)
superscript
68.
What is the number that is in FRONT of a formula called? Like the 3 in 3H2O
a)
subscript
b)
coefficient
c)
symbol
d)
superscript
69.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
70.
The small number to the right of an elemental symbol  ( H2) is called?
a)
 a subscript 
b)
a coefficient 
c)
a variable 
d)
a divisor 
71.
The smallest building block of matter is the......................
a)
compound 
b)
molecule 
c)
atom
d)
fluid
72.
There are over 100 different kinds of atoms these different atoms are known as ....................
a)
elements 
b)
mixtures
c)
chemical bond 
d)
chemistry 
73.
When a molecule is made up of more than two different elements ( Example CO2)  we call this .......................
a)
a mixture 
b)
atom
c)
a compound 
74.
How many Aluminum are in Al2O3?
a)
3
b)
2
c)
5
75.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
76.
How many Elements are in the compound C2H8O ?
a)
2
b)
1
c)
3
d)
0
77.

In this compound structure of (ethanol) alcohol, how many Hydrogen atoms are there?

a)
2
b)
4
c)
6
d)
8
78.

How many different elements are present in this compound?
Mg2As3COHNi2

a)
2
b)
4
c)
6
d)
10
79.
How many Magnesium are in 10MgCl2?
a)
10
b)
5
c)
20
80.

How many molecules(formula units) are in 10MgCl2?

a)
10
b)
5
c)
20
81.
How many total atoms are in the compound C2H8O ?
a)
11
b)
2
c)
8
d)
1
82.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
83.

How many atoms are of Carbon are in one formula unit of this compound?
H2C3O4N5

a)
2
b)
3
c)
4
d)
5
84.
How many TOTAL atoms are in this compound?
H2C3O4N5
a)
5
b)
14
c)
15
d)
19
85.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
86.

How many atoms are present if there is no subscript following the element symbol?

a)

0

b)

2

c)

only 1

d)

1 million

87.

Are there any compounds on the periodic table?

a)

yes there are many

b)

no because only elements are on the periodic table

c)

I think they are?

d)

there is no way to tell

88.
Is the following an element or a compound?
C2H8O 
a)
element
b)
compound
89.
How many elements are in the following?
C2H8O
a)
2
b)

11

c)
3
d)
0
90.
How many total atoms are in the following?
C2H8O
a)
11
b)
2
c)

3

d)
10
91.
Which of the following is a compound?
a)
Co
b)
O2
c)
C
d)
CO2
92.

How many Hydrogens are in 4H2O?

a)
6
b)
8
c)
2
d)
4
93.
What is a coefficient?
a)
The small number on the right of the chemical symbol.
b)
The large number to the left of a formula.

Similar Resources on Wayground

Chemistry II Unit 5 Review

90 questions

Chemistry II Unit 5 Review

quiz

Worksheet

•

12th Grade

Chemical reactions

89 questions

Chemical reactions

quiz

Worksheet

•

10th Grade

Unit Test #1 Chemistry

90 questions

Unit Test #1 Chemistry

quiz

Worksheet

•

9th - 12th Grade

Chemistry Review

95 questions

Chemistry Review

quiz

Worksheet

•

9th Grade

Chapter 5 Review: Electron Configurations

95 questions

Chapter 5 Review: Electron Configurations

quiz

Worksheet

•

10th Grade

TEST: Bonding/VESPER/Inter& Intramolecular forces

89 questions

TEST: Bonding/VESPER/Inter& Intramolecular forces

quiz

Worksheet

•

10th - 11th Grade

Timberlake Chapter 14 Study deck

92 questions

Timberlake Chapter 14 Study deck

quiz

Worksheet

•

8th - 10th Grade

Chem01.1 Alchemy and Scientific Method

89 questions

Chem01.1 Alchemy and Scientific Method

quiz

Worksheet

•

11th Grade