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Types of Reactions

Total questions: 42

Worksheet time: 3600secs

Name
Class
Date
1.
The following is what type of reaction:
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
2.
The following is what type of reaction:
NH3 + HCl  → NH4Cl
a)
Synthesis
b)
Decomposition
c)
Single Replacement Replacement
d)
Double Replacement Replacement
3.
What type of chemical reaction is this?
Al(OH)3 → Al2O3  + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
4.
Ions in two compounds switch. 
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
5.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
6.
One reactant into several products.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
7.
Always starts with a Hydrocarbon that reacts with oxygen and produces carbon dioxide and water. 
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
8.
Two Reactants and One Product
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
9.
4Si   + S8   -->   2Si2S4
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
10.
2Pb(NO3)2   -->   2PbO +  4NO2  +  O2
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Combustion
11.
3Mg + N2 --> Mg3N2
a)
Synthesis 
b)
Decomposition
c)
Single displacement
d)
Combustion
12.
2NO2 --> N2 + 2O2
a)
Synthesis
b)
Decomposition
c)
Single displacement
d)
Combustion
13.

What reaction has the following general formula:

AB --> A + B

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

14.

What reaction has the following general formula:

A + CD --> C + AD

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

15.

What reaction has the following general formula:

AB + CD --> CB + AD

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

16.

What reaction has the following general formula:

A + B --> AB

a)

Combination

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

17.

When balancing a chemical equation, you can only change _________, you can never change _______!

a)

coefficients, subscripts

b)

subscripts, coefficients

c)

formulas, subscripts

d)

coefficients, formula units

18.

When balanced, the correct coefficients are:

a)

2, 2, 2

b)

2, 2, 3

c)

3, 2, 2

d)

1, 2, 3

19.

When balanced, the correct coefficients for the reaction are:

a)

1, 1, 1, 1

b)

1, 2, 1, 1

c)

2, 1, 1, 2

d)

2, 1, 2, 1

20.

When balanced, the correct coefficients for the equation are:

a)

3, 1, 2, 1

b)

1, 2, 3, 4

c)

2, 1, 2, 1

d)

1, 2, 1, 1

21.

The red numbers in the image represent

a)

subscripts

b)

coeffiecients

c)

roman numerals

d)

none of the answer options are correct

22.

The blue numbers in the image represent

a)

subscripts

b)

coeffiecients

c)

roman numerals

d)

none of the answer options are correct

23.

Magnesium can be burned in oxygen to produce solid magnesium oxide.

a)

Mg + O2→ MgO

b)

Mg+ O→ MgO

c)

Mg + CO2 → MgO + C

d)

Mg + O2→ Mg2O2

24.

Sodium reacts with chlorine gas to produce sodium chloride.

a)

NaCl→ Cl + Na

b)

Na+ CO2 → NaCO2

c)

Na + Cl2→ NaCl

d)

Na + Cl → NaCl

25.

Magnesium metal reacts with oxygen to form magnesium oxide. The correct equation is

a)

Mg2 + O2 --> MgO

b)

Mg + O2 --> MgO

c)

Mg2 + O2 --> Mg2O2

d)

Mg2 + O2 --> MgO

26.

Calcium oxide and water produces calcium hydroxide

a)

CaO + H2O --> Ca(OH)2

b)

Ca2O2 + H2O --> Ca(OH)2

c)

CaO + H2O --> CaOH

d)

Ca2O2 + H2O --> Ca(OH)2

27.

Copper and silver sulfate produces copper (II) sulfate and silver

a)

Cu + Ag2SO4 --> CuSO4 + Ag

b)

Cu2 + Ag2SO4 --> CuSO4 + Ag

c)

Cu + Ag2S --> CuS + Ag

d)

Cu2 + AgSO4 --> CuSO4 + Ag2

28.

Potassium iodide + lead nitrate --> _____________ + lead iodide


What is missing?

a)

lead nitrate

b)

potassium nitrate

c)

nitrogen

d)

potassium iodide

29.

The new substances formed in a chemical reaction are called

a)

Reactants

b)

Atoms

c)

Products

d)

Reagents

30.

Magnesium + hydrochloric acid --> _____________ + hydrogen


What is missing?

a)

Magnesium oxide

b)

Magnesium hydride

c)

Magnesium chloride

d)

Magnesium hydroxide

31.

Identify the product(s) in the following word equation:

sodium reacts with chlorine to yield sodium chloride

a)

Sodium

b)

Sodium chloride

c)

Sodium and Chlorine

d)

Sodium and sodium chloride

32.
Always starts with a Hydrocarbon that reacts with oxygen and produces carbon dioxide and water. 
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
33.
What are the products of this reaction?
Cu+ AgNO3--> 
a)
Cu(NO3)2+Ag
b)
CuNO3 + Ag
c)
CuAg+NO3
d)
Cu+ AgNO3
34.
Predict the products for the this reaction:
K + HCl --> 
a)
KCl + H2
b)
KHCl 
c)
KH + Cl2
d)
KCl + H
35.
Predict the products for the this reaction:
Mg + CuCl2 --> 
a)
MgCl2 + Cu
b)
MgCl + Cu
c)
MgCu + Cl2
d)
CuMg + Cl2
36.
What are the products for the reaction between F2 + KCl 
a)
FCl + K
b)
KF + Cl2
c)
KF + Cl
d)
no reaction
37.

What are the products of this reaction:

C2H4 + O2 →

a)

C2O2 + H4

b)

CO2 + H2 + O2

c)

CO + H

d)

CO2 + H2O

38.

Name the following compound: NaCl

(a)  

39.

What is the name for MgF2 ?

a)

magnesium fluoride

b)

manganese Phosphide

c)

magnesium(III) fluoride

d)

magnesium fluoride(II)

40.
What is the name for the NO3- ion?
a)
nitrate ion
b)
nitrite ion
c)
nitrogan ion
d)
nitride ion
41.
KI + Pb(NO₃)₂ →
a)
KNO + PbI
b)

KNO₃ + PbI₂

42.
KBr + Cl₂ →
a)
KCl + Br₂
b)
KCl + Br

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