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Worksheets

Reaction types

Total questions: 15

Worksheet time: 16mins

Name
Class
Date
1.

What type of reaction is the following: C3H8 + 5O2 -> 3CO2 + 4H2O?

a)

Combustion reaction

b)

Decomposition reaction

c)

Synthesis reaction

d)

Single displacement reaction

2.

What type of reaction is the following: 2H2O2 -> 2H2O + O2?

a)

Synthesis reaction

b)

Combustion reaction

c)

Decomposition reaction

d)

Single displacement reaction

3.

What is the general form of a decomposition reaction?

a)

B -> A + AB

b)

AB -> A + B

c)

A -> AB + B

d)

A + B -> AB

4.

What type of reaction is the following: NaCl + AgNO3 -> NaNO3 + AgCl?

a)

Double displacement reaction

b)

Single displacement reaction

c)

Combustion reaction

d)

Decomposition reaction

5.

What type of reaction is the following: Fe + CuSO4 -> FeSO4 + Cu?

a)

Combustion reaction

b)

Decomposition reaction

c)

Double replacement reaction

d)

Single replacement reaction

6.
The following is what type of reaction:
NH3 + HCl  → NH4Cl
a)
Synthesis
b)
Decomposition
c)
Single Replacement Replacement
d)
Double Replacement Replacement
7.
What type of chemical reaction is this?
Al(OH)3 → Al2O3  + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
8.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
9.
Which generalized equation represents a synthesis reaction?
a)
A + BC → AC+ B
b)
A + B → AB
c)
AB → A + B
10.

3 Pb + 2 H3PO4 ----> 3 H2 + 1 Pb3(PO4)2

a)

Synthesis (or combination)

b)

Decomposition

c)

Single replacement

d)

Double replacement

11.

What type of reaction is C2H2 + O2 → CO2 + H2O

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

12.

What type of reaction is NaOH + HCl → H2O + NaCl

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double replacement

13.
What is the Law of Conservation of mass?
a)
Mass is created in a chemical reaction
b)
Mass is created in a physical change
c)
New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
d)
Mass is never created or destroyed
14.

What are some common signs that a chemical reaction has occurred?

a)

Color change, gas production, formation of a precipitate, temperature change, and odor change

b)

Change in volume, length, texture, or pressure

15.

Identify the type of reaction...

SnCl2 + 2Li −> 2LiCl + SnSnCl_2\ +\ 2Li\ ->\ 2LiCl\ +\ Sn

a)

Decomposition

b)

Single Replacement

c)

Double Replacement

d)

Combustion