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Types of Reactions Review

Total questions: 25

Worksheet time: 19mins

Name
Class
Date
1.

Which type of reactions brings two reactants together to create something more complex?

a)

Decomposition

b)

Combustion

c)

Single Replacement

d)

Synthesis

2.

Which type of reaction involves an element replacing a different element in another compound

a)

Double Replacement

b)

Synthesis

c)

Decomposition

d)

Single displacement

3.

Which type of reaction involves the breakdown of a reactant into simpler products?

a)

Synthesis

b)

Combustion

c)

Decomposition

d)

Acid-Base

4.

What type of reaction results in the production of water and a salt?

a)

Single replacement

b)

Synthesis

c)

Combustion

d)

Acid-Base

5.

What is the generic formula for a decomposition reaction

a)

AB --> A + B

b)

A + BC --> B + AC

c)

A + B --> AB

d)

AB + CD --> CB + AD

6.

What is the generic formula for a double replacement reaction

a)

AB --> A + B

b)

A + BC --> B + AC

c)

A + B --> AB

d)

AB + CD --> CB + AD

7.
The following is what type of reaction:
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double displacement

8.
The following is what type of reaction:
NH3 + HCl  → NH4Cl
a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Double displacement

9.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
10.
4Si   + S8   -->   2Si2S4
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
11.
C4H12 + O2 → CO2 + H2O
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
12.
2Pb(NO3)2   -->   2PbO +  4NO2  +  O2
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Combustion
13.

Which of the following could represent a sing replacement reaction

a)

AB + C → AC + B

b)

A + B → AB

c)

AB + CD → AD + CB

d)

AB → A + B

14.

A chemical reaction where energy is released as heat

a)

endergonic

b)

exothermic

c)

flammable

d)

endothermic

15.

The substances to the right of the arrow are

a)

catalyst

b)

products

c)

reactants

d)

precipitate

16.

Same number of atoms on both sides of an equation

a)

unbalanced equation

b)

complex equation

c)

balanced equation

d)

simple equation

17.

The substances to the left of the arrow are

a)

products

b)

coefficients

c)

reactants

d)

catalysts

18.

The compound with a pink square is known as a ___.

a)

Reactant

b)

Product

19.

Which chemical equation is a model of a decomposition reaction?

a)

2Mg + O2 → 2MgO

b)

2NaCl → 2Na + Cl2

c)

3Na + FeBr3 → 3NaBr + Fe

d)

AgNO3 + NaCl → AgCl + NaNO3

20.

Which products are formed when propane (C3H8) undergoes combustion?

a)

Water and carbon dioxide

b)

Water and carbon

c)

Hydrogen and carbon dioxide

d)

Water, carbon dioxide, and oxygen

21.

What two things are mixed with a neutralization reaction?

a)

metal and nonmetal

b)

acid and base

c)

metal and metal

d)

nonmetal and nonmetal

22.

What is always produced with a neutralization reaction?

a)

acid and base

b)

metal and nonmetal

c)

salt and water

d)

gas and solid

23.

Check all that are bases.

a)

Al(OH)3

b)

NaOH

c)

HCl

d)

Mg(OH)2

e)

H2SO4

24.
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
25.

Which type of reactions brings two reactants together to create something more complex?

a)

Decomposition

b)

Combustion

c)

Single Replacement

d)

Synthesis