WorksheetsChemical Reactions Review
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
When phosphorus combines with oxygen to form diphosphorus pentoxide the skeleton equation is...
a)
P+O2 -> PO2
b)
P+O -> P5O2
c)
P+O2 -> P2O5
d)
P2O5 -> P2+O2
2.
In a combustion reaction one of the products is
a)
a hydrocarbon
b)
carbon dioxide
c)
oxygen
d)
nitrogen
3.
What must be balanced in a chemical reaction?
a)
moles
b)
molecules
c)
coefficients
d)
atoms
4.
When one element reacts with a compound, that type of reaction is...
a)
combination
b)
decompostion
c)
single replacement
d)
double replacement
5.
When two compounds switch bonding partners, that type of reaction is...
a)
combinaion
b)
decomposition
c)
single replacement
d)
double replacement
6.
When one compound is broken up into multiple products, that type of reaction is...
a)
combination
b)
decomposition
c)
single replacement
d)
double replacement
7.
What are the products of the reaction between CsOH and H3PO4?
a)
Cs(PO4)3 and H2O
b)
CsPO4 and H2O
c)
Cs3PO4 and H2O
d)
H3Cs and PO4OH
8.
If a combination reaction reacts sodium and iodine, the formula of the product is...
a)
NaI
b)
Na2I
c)
NaI2
d)
SI
9.
What do you consult in a single replacement reaction to see if it will happen?
a)
solubility chart
b)
activity series
c)
my notes
d)
nothing - it always goes
10.
Which compound is a solid?
a)
NaCl
b)
KNO3
c)
SrSO4
d)
BaCl2
11.
The products when Cl2 and reacts with MgBr2 is...
a)
Mg and ClBr
b)
MgCl2 and Br2
c)
None of these
12.
Name one diatomic molecule
a)
hydrogen
b)
neon
c)
carbon
d)
sodium
13.
What are the products for: Al+BaO?
a)
Ba+Al2O3
b)
Ba+AlO3
c)
Ba+AlO
d)
Al+BaO
14.
Which of the following represents a balanced equation when mercury (IV) oxide decomposes?
a)
HgO2->Hg+2O
b)
HgO2->Hg+O2
c)
Hg2O->2Hg+O
d)
HgO->Hg+O2
15.
Will aluminum replace iron in a single replacement reaction?
a)
No - iron is more reactive
b)
No - aluminum is more reactive
c)
Yes - iron is more reactive
d)
Yes - aluminum is more reactive
16.
What color light did magnesium give off in lab?
a)
yellow
b)
white
c)
red
d)
blue
17.
Balance: Fe+Co(NO3)2→Fe(NO3)3+Co
a)
1,3,1,3
b)
4,6,2,6
c)
2,3,3,2
d)
2,3,2,3
18.
True or false: your final exam is cumulative (from August)?
a)
True!
b)
False!
c)
We have a final?
100 %
