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Worksheets

Types of Reactions Review

Total questions: 25

Worksheet time: 57mins

Name
Class
Date
1.

4Si + S8 --> 2Si2S4

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Double Replacement

e)

Combustion

2.

3Mg + N2 --> Mg3N2

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

Double Replacement

3.

P4 + 3O2 --> 2P2O3

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

Double Replacement

4.

3Ca + 2AlCl3 --> 3CaCl2 + 2Al

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

5.

Fe + H2(SO4) --> Fe2(SO4)3 + H2

a)

Synthesis

b)

Decomposition

c)

Single replacement

d)

Combustion

e)

Double Replacement

6.

H2(SO4) + Fe -->H2 + Fe(SO4)

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

7.

3K(OH) + H3(PO4) --> K3(PO4) + 3H(OH)

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

8.

Mg(NO3)2 + H2(SO4) 🡪 Mg(SO4) + 2H(NO3)

a)

Single Replacement

b)

Decomposition

c)

Double Replacement

d)

Synthesis

e)

Decomposition

9.

PbCl2 + Ag(NO3) ---> Pb(NO3)2 + AgCl

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

e)

Combustion

10.

2Pb(NO3)2 --> 2PbO + 4NO2 + O2

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

Double Replacement

11.

Which of the following is the general formula for a decomposition reaction?

a)
A + B  → AB
b)
AB → A + B
c)
AB + C → AC + B
d)
AB + CD → AC + BD
12.

2NO2 --> N2 + 2O2

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

e)

Double Replacement

13.

Which reaction type is the following: C5H10O4 + O2 --> CO2 + H2O

a)

Decomposition

b)

Single Replacement

c)

Combustion

d)

Double Replacement

e)

Synthesis

14.

C4H12 + O2 --> CO2 + H2O

a)

Synthesis

b)

Combustion

c)

Single Replacement

d)

Double Replacement

e)

Decomposition

15.

Which type of reaction is: C2H4 + 3 O2 → 2 CO2 + 2 H2O

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Combustion

16.
What coefficient should be used to make the following equation balanced?
N2+O2--> _NO 
a)
1
b)
2
c)
3
d)
4
17.
Balance this equation:
 __Li + __Cl2 -> __LiCl
a)
2Li + Cl2 -> 4LiCl2
b)
2Li + Cl2 -> LiCl2
c)
2Li +  Cl2 -> 2LiCl
18.
Which is Chemical Equation is Balanced?
a)
CH₄+O₂------CO₂+2H₂O
b)
H₂+O₂-----2H₂O₄
c)
4Al+3O₂-----2Al₂O₃
19.

5 + X = 9 + 7

a)

11

b)

16

c)

4

d)

2

20.

Will this compound be

Solid (S) or Aqueous (aq)?


Na(NO3)

a)

Na(NO3)(aq)

b)

Na(NO3)(s)

21.

Will this compound be

Solid (S) or Aqueous (aq)?


Ca(SO4)

a)

Ca(SO4)(aq)

b)

Ca(SO4)(s)

22.

Will this compound be

Solid (S) or Aqueous (aq)?


Mg(OH)

a)

Mg(OH)2(aq)

b)

Mg(OH)2(s)

23.

Will this compound be

Solid (S) or Aqueous (aq)?

Mg2S

a)

Mg2S(aq)

b)

Mg2S(s)

24.

Predict the products of the following equation.

MgCl2 + Ag(NO3) ---->

a)

AgCl(s) + Mg(NO3)2(aq)

b)

No Reaction

c)

AgCl(aq) + Mg(NO3)2(s)

d)

AgCl(s) + MgNO3(aq)

25.

Predict the products of the following equation.

CuCl2 + H2S ---->

a)

CuS(s) + HCl(aq)

b)

Cu2S(s) + HCl(aq)

c)

No reaction

d)

CuS(s) + HCl(s)

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