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WorksheetsSept 30 - Warm-Up
Total questions: 20
Worksheet time: 40mins
Name
Class
Date
1.
Always starts with a hydrocarbon that reacts with oxygen and produces carbon dioxide and water.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
2.
2 NaBr + 1 Ca(OH)2 ----> 1 CaBr2 + 2 NaOH
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
3.
2 NH3+ 1 H2SO4 ----> 1 (NH4)2SO4
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
4.
3 HBr + 1 Al(OH)3 ----> 3 H2O + 1 AlBr3
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
5.
Pb + FeSO4 ----> PbSO4 + Fe
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
6.
P4 + 3 O2 ----> 2 P2O3
a)
Synthesis (or combination)
b)
Decomposition
c)
Single displacement
d)
Double displacement
7.
C4H12 + O2 → CO2 + H2O
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
8.
How many ATOMS of Carbon are in 3C2H4O
a)
2
b)
3
c)
4
d)
6
9.
How many ATOMS of Oxygen are in 3Fe2O3
a)
2
b)
3
c)
6
d)
9
10.
How many TOTAL atoms are in 2H2SO4
a)
2
b)
4
c)
7
d)
14
11.
Is the following equation balanced or unbalanced ?
Al + O2 --> Al2O3
Al + O2 --> Al2O3
a)
Balanced
b)
Unbalanced
12.
Is the following equation balanced or unbalanced ?
N2 +3 H2 --> 2NH3
N2 +3 H2 --> 2NH3
a)
Balanced
b)
Unbalanced
13.
An ionic compound forms between _________.
a)
a metal and non-metal
b)
two metals
c)
two non-metals
d)
a metal and metalloid
14.
What is the proper name for LiCl?
a)
lithium chlorine
b)
lithium chloride
c)
lithium chlorate
d)
lithium monochloride
15.
What is the proper name for CO?
a)
carbon monoxide
b)
monocarbon monoxide
c)
carbide
d)
oxygen carbide
16.
What is the proper name for K2O ?
a)
potassium dioxide
b)
potassium oxide
c)
potassium oxygen
d)
dipotassium dioxide
17.
What is the proper name for CaCl2?
a)
Calcium dichloride
b)
Monocalcium dichloride
c)
Calcium chloride
d)
Calcium chlorine
18.
What is the correct formula of phosphorus trichloride?
a)
P2Cl3
b)
P3Cl3
c)
PCl3
d)
PCl5
19.
What is the correct formula for sodium nitrate?
a)
NaNO2
b)
Na3N
c)
Na3NO
d)
NaNO3
20.
What is the proper name for FeBr3?
a)
Iron (II) bromide
b)
Iron (III) bromide
c)
Iron tribromide
d)
Iron tribromine
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