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Types of Chemical Reactions

Total questions: 40

Worksheet time: 58mins

Name
Class
Date
1.

Matter and mass can not be

a)

Shaken or stirred

b)

Made

c)

created or destroyed

d)

Transferred

2.

Which type of reaction has only one reactant?

a)

synthesis

b)

Double replacement

c)

Chemical reaction

d)

decomposition

3.

4Si + S8 --> 2Si2S4


What type of reaction is this?

a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Double displacement

4.

3Mg + N2 --> Mg3N2


What type of reaction is this?

a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Combustion

5.

What type of reaction is this?

P4 + 3O2 --> 2P2O3

a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Combustion

6.
Which chemical reaction breaks down into 2 substances?
a)
Double Replacement
b)
Single Replacement
c)
Synthesis
d)
Decomposition
7.
A + B = AB
a)
Double Replacement
b)
Synthesis
c)
Combustion
d)
Decomposition
8.
AB + CD = AD + CB
a)
Double Replacement
b)
Single Replacement
c)
Combustion
d)
Decomposition
9.
A + BC = B + AC
a)
Single Replacement
b)
Combustion
c)
Double Replacement
d)
Synthesis
10.
Which chemical reaction takes place when 2 substances react to form a single product?
a)
Decomposition
b)
Double Replacement
c)
Single Replacement
d)
Synthesis
11.
AB = A + B
a)
Decomposition
b)
Single Replacement
c)
Combustion
d)
Synthesis
12.
Fe + H2SO4 --> Fe2(SO4)3 + H2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
13.
What kind of reaction is this:
2H2 + O2 --> 2H2O
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
14.
What type of reaction occurs between an element and a compound?
Zn + 2HCl --> ZnCl2 + H2
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
15.
The reaction below is an example of?
AgNO3 + NaCl → AgCl + NaNO3
a)
Single Replacement
b)
Double Replacement
c)
Decomposition
d)
Combustion
16.
What type of reaction is illustrated below?
2HI --> H2  +  I2
a)
synthesis
b)
decomposition
c)
single replacement
d)
double replacement
17.

Which of the following general formulas represents a single-replacement reaction?

a)

AB → A + B

b)

A + B → AB

c)

A + BC → AC + B

d)

AB + CD → AD + CB

18.

The Law of Conservation of Mass states that the total mass of the reactants should be

a)

More than the mass of the products

b)

Equal to the mass of the products

c)

Ignored during the reaction

d)

Less than the mass of the products

19.

Which of the following reactions involves the ions of two compounds exchanging places to form two new compounds?

a)

Synthesis

b)

Double replacement

c)

Combustion

d)

Single Displacement

20.
What type of reaction is C3H8 + 5O2 => 3CO2 + 4H2O?
a)
combination
b)
decomposition
c)
combustion
d)
both combination and decomposition
21.
A chemical reaction in which a compound or element burns by reacting with oxygen is called a(n)
a)
combination reaction
b)
decomposition reaction
c)
combustion reaction
d)
carbonate decomposition reaction
22.

Two substances combine into 1 substance.

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

23.

One substance breaks down into two or more substances.

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

24.

One element trades places with another element in a compound.

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

25.

When the positive ion of one compound replaces the positive ion of another compound to form two new compounds.

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

26.

A + B --> AB

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

27.

AB --> A + B

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

28.

A + BC --> B + AC

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

29.

AB + CD --> CB + AD

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

30.

C + H2 --> CH4

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

31.

Ni(ClO3)2 --> NiCl2 + O2

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

32.

Cl2 + KI --> KCl + I2

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

33.

HCl + NaOH --> NaCl + H2O

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

34.

What type of reaction is the following:
2C4H10 +13O2 −> 8CO2+10H2O2C_4H_{10}\ +13O_2\ ->\ 8CO_2+10H_2O

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

35.

What type of reaction is the following:
Na2S +2HCl −> H2S+2NaClNa_2S\ +2HCl\ ->\ H_2S+2NaCl

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

36.

What type of reaction is the following:
Ag3N + 3HBr−>3AgBr+H3NAg_3N\ +\ 3HBr->3AgBr+H_3N

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

37.
CxHy +O2 --> H2O + CO2
a)
Decomposition
b)
Double replacement
c)
Combustion
d)
Single Replacement
38.
One reactant into several products.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
39.
One element replaces another in a compound.
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
40.
This pictures simulates what type of reaction?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement

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