WorksheetsUnit 4B Review
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
P4 + O2 → P2O3
a)
3 P4 + O2 → 2 P2O3
b)
P4 + O2 → 2 P2O3
c)
P4 + 3 O2 → 2 P2O3
d)
P4 + 2 O2 → 3 P2O3
2.
Balance this equation, Al2O3 ---> Al + O2
a)
Cannot be balanced
b)
2Al2O3 ---> 2Al + 3O2
c)
2Al2O3 ---> 4Al + 3O2
d)
3Al2O3 ---> 2Al + O2
3.
Balance this equation: H2 + N2 → NH3
a)
H2 + 4N2 → NH3
b)
H2 + 3N2 → 2NH3
c)
3H2 + N2 → 2NH3
d)
2H2 + 2N2 → 2NH3
4.
What is the part of the chemical equation in green called?
Fe + S --> FeS
Fe + S --> FeS
a)
products
b)
reactants
c)
yield
d)
chemical formula
5.
What is the name for FeCl₂?
a)
Iron Chloride
b)
Iron (II) Chloride
c)
Iron (I) Chloride
d)
Iron Dichloride
6.
What is the chemical formula for Beryllium Chloride?
a)
Be2Cl2
b)
Be2Cl
c)
BeCl2
d)
BeCl
7.
What is the name for SO2?
a)
sulfur dioxide
b)
sulfur (II) oxide
c)
sulfur oxygen
d)
sulfur oxide
8.
What is the formula for Tricarbon Octahydride?
a)
Ca3O
b)
C2H8
c)
C3H8
d)
Ca3H8
9.
The following is what type of reaction:
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
10.
The following is what type of reaction:
NH3 + HCl → NH4Cl
NH3 + HCl → NH4Cl
a)
Synthesis
b)
Decomposition
c)
Single Replacement Replacement
d)
Double Replacement Replacement
11.
What type of chemical reaction is this?
Al(OH)3 → Al2O3 + H2O
Al(OH)3 → Al2O3 + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement
12.
This type of reaction always starts with a Hydrocarbon that reacts with oxygen gas (O2) and produces carbon dioxide (CO2) and dihydrogen monoxide (H2O).
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
13.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
14.
What is the correct formula for tin(II) nitrate?
a)
SnNO3
b)
Sn2NO3
c)
TiNO3
d)
Sn(NO3)2
15.
The name of P₄S₁₀ is
a)
phosphorous sulfide
b)
phosphorus sulfide
c)
tetraphosphorus decasulfide
d)
phosphorus (X) sulfide
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