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TEST: PREDICTING PRODUCTS

Total questions: 35

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

If an element is diatomic it should have a subscript of___

a)

1, always

b)

2, only when it is an element

c)

it shouldn't have a subscript, it should have a coefficent

d)

2, when bonded in a compound

2.

What is the charge of Iron in this compound. (Hint: think swap drop method):

Fe3(PO4)2

a)

3+

b)

2+

c)

1+

d)

6+

3.

The symbol for a substance dissolved in solution is ______

a)

(s)

b)

(l)

c)

(aq)

d)

(g)

4.

Fill in the blank. (Copper has a charge of 2+)

Cu+ AgNO3 → Ag + _____

a)

Cu(NO3)2

b)

CuNO3

c)

CuAg

d)

Cu

5.

Predict the products of this synthesis reaction: H2 + Cl2

a)

HCl

b)

H2Cl2

c)

H2Cl

d)

HCl2

6.

What type of reaction is this?

2 C6H14 + 19 O2 → 12 CO2 + 14 H2O

a)

Single Replacement

b)

Double Replacement

c)

Combustion

d)

Decomposition

7.

Predict the products for the this Single Replacement reaction:

K + HCl →

a)

KCl + H2

b)

KHCl

c)

KH + Cl2

d)

HCl + K2

8.

Predict the products for the this Double Replacement reaction:

AgNO3 + KCl →

a)

AgCl + KNO3

b)

AgK + ClNO3

c)

KAg + NO3Cl

d)

AgCl + 3 KNO

9.

Complete the balanced equation for this Double Replacement reaction.

3 NaOH + Fe(NO3)3

a)

NaFe + OH(NO3)3

b)

NaNO3 + Fe(OH)3

c)

3 NaNO3 + Fe(OH)3

d)

3 NaFe + 3 (OH)NO3

10.

Predict the product of this synthesis reaction:

Al + S₈ →

a)

AlS

b)

AlS8

c)

Al2S

d)

Al2S3

11.

Predict the products for the decomposition of aluminum oxide, Al2O3

a)

Al + O2

b)

O + Al2

c)

Al2 + O3

d)

Al + O

12.

Predict the products for the this Single Replacement reaction: (Copper has a charge of 1+)

Mg + CuCl →

a)

MgCl2 + Cu

b)

Mg + Cu

c)

MgCu + Cl2

d)

MgCl + Cu2

13.

What are the products of this reaction:

C2H4 + O2

a)

C2O2 + H4

b)

CO2 + H2 + O2

c)

CO + H

d)

CO2 + H2O

14.

Predict the products of this single replacement reaction: Na + H2O →

a)

NaO + H2

b)

NaOH + H2

c)

NaH + O2

d)

ONaH

15.

To determine whether a single replacement reaction will happen, one must consult

a)

a lexicon

b)

the activity series

c)

a solubility chart

d)

One Thousand Magical Herbs and Fungi by Phyllida Spore

16.
Which type of reaction takes place in the presence of oxygen and produces carbon dioxide and water?
a)
double replacement 
b)
decomposition 
c)
combustion 
d)
single replacement
17.
Classify
Zn + H
2S → ZnS + H2
a)
synthesis
b)
combustion
c)
single replacement
d)
double replacement
18.
When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced
a)
charge
b)
subscript
c)
random number
d)
coefficient
19.
Which of the following are PRODUCTS?
H2O + CO→ HCO + HO
a)
H2O and CO2
b)
HCO and HO
c)
H2O ONLY
d)
HCO ONLY
20.
What kind of reaction is this:
Fe + CuSO4 -> Cu + FeSO4
a)
Double Replacement
b)
Decompostion
c)
Single Replacement
d)
Combustion
21.
What kind of reaction is this:
2H2O2 →2 H2+ O2
a)
Synthesis
b)
Decomposition
c)
Single Replacement 
d)
Combustion
22.
What kind of reaction is this:
4Fe  +  3O2 →   2Fe2O3 
a)
Synthesis
b)
Decomposition
c)
Single Replacement 
d)
Double Replacement
23.
Which of the following equations represents the balanced synthesis reaction of iron (III) and oxygen?
a)
Fe + 3 O2 → Fe2O3
b)
3 Fe + 3 O2 → 2 Fe2O3
c)
2 Fe + O2 → Fe2O3
d)
4 Fe + 3 O2 → 2 Fe2O3
24.
What are the products of this reaction?
Cu+ AgNO3--> 
a)
Cu(NO3)2+Ag
b)
CuNO3 + Ag
c)
CuAg+NO3
d)
Cu+ AgNO3
25.
Write a balanced reaction for this SR reaction
Sn(s) + NaNO3(aq) -->
a)
NaSn + NO3
b)
SnNO3 + Na
c)

NO REACTION

d)
SnN3O3 + Na
26.
What type of reaction is this? 
NaOH + MgSO3 -->
Mg(OH)2 + Na2SO3
a)
Single Replacement
b)
Double Replacement
c)
Combustion
d)
Synthesis
27.

Which type of reaction is represented by the equation:

CaCO3 → CaO + CO2

a)

Synthesis

b)

Double Replacement

c)

Decomposition

d)

Single Replacement

28.

What are the products of this double replacement reaction?

BaCl2 + Na2SO4

a)

BaSO4 + 2 NaCl

b)

BaNa2 + SO4Cl2

c)

Ba2SO4 + NaCl2

d)

BaCl2 + NaSO4

29.

Which coefficient should be placed in front of H2O to balance the equation:

2 H2 + O2 → ___ H2O

a)

1

b)

2

c)

4

d)

3

30.

Which of the following is a decomposition reaction?

a)

2 Na + Cl2 → 2 NaCl

b)

2 H2O → 2 H2 + O2

c)

AgNO3 + NaCl → AgCl + NaNO3

d)

Fe + CuSO4 → FeSO4 + Cu

31.

What is the correct balanced equation for the combustion of methane?

a)

CH4 + 2 O2 → CO2 + 2 H2O

b)

CH4 + O2 → CO + H2O

c)

CH4 + 2 O2 → C + 2 H2O

d)

CH4 + H2O → CO2 + H2

32.

Which symbol indicates a gas is produced in a chemical equation?

a)

(l)

b)

(g)

c)

(s)

d)

(aq)

33.

Which of the following is a balanced equation for the decomposition of potassium chlorate?

a)

KClO3 → KClO2 + O2

b)

2 KClO3 → 2 KClO + 3 O2

c)

KClO3 → KCl + O2

d)

2 KClO3 → 2 KCl + 3 O2

34.

Which symbol in a chemical equation indicates a substance is a solid?

a)

(l)

b)

(aq)

c)

(g)

d)

(s)

35.

What type of reaction is represented by the equation:

2 Na + 2 H2O → 2 NaOH + H2

a)

Double Replacement

b)

Synthesis

c)

Decomposition

d)

Single Replacement