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WorksheetsChemistry Predicting Products
Total questions: 70
Worksheet time: 1hrs 8mins
Name
Class
Date
1.
Predict the products for the decomposition of potassium chlorate: KClO3
a)
KCl + O2
b)
K2O + Cl2
c)
K + ClO3
d)
K + ClO2
2.
Predict the products for the decomposition of calcium carbonate: CaCO3
a)
CaO + CO2
b)
Ca + CO3
c)
CaCO2 + O2
d)
CaO + CO3
3.
Predict the products for the this reaction:
K + HCl -->
K + HCl -->
a)
KCl + H2
b)
KHCl
c)
KH + Cl2
d)
KCl + H
4.
Predict the products for the this reaction:
Mg + CuCl2 -->
Mg + CuCl2 -->
a)
MgCl2 + Cu
b)
MgCl + Cu
c)
MgCu + Cl2
d)
CuMg + Cl2
5.
Predict the products for the this reaction:
AgNO3 + KCl -->
AgNO3 + KCl -->
a)
AgCl + KNO3
b)
AgK + ClNO3
c)
AgNO3 + KCl
d)
KAg + NO3Cl
6.
What type of reaction is this?
2 C6H14 + 19 O2 --> 12 CO2 + 14 H2O
2 C6H14 + 19 O2 --> 12 CO2 + 14 H2O
a)
Single Replacement
b)
Double Replacement
c)
Combustion
d)
Decomposition
7.
The word equation for combustion is: fuel + oxygen --> water + ________ __________
a)
Carbon dioxide
b)
Limewater
8.
In the reaction of K + AgNO3 what will the products be?
a)
K and AgNO3
b)
Ag and KNO3
c)
NO3 and AgK
d)
No reaction
9.
To predict if a single replacement reaction will take place you should use a(n)
a)
Activity series
b)
Solubility Chart
c)
Periodic Table
d)
Metal chart
10.
The symbol for a substance dissolved in water is
a)
(s)
b)
(l)
c)
(g)
d)
(aq)
11.
If an element is diatomic it should have a subscript of___
a)
2, always
b)
2, only when it is by itself
c)
it shouldn't have a subscript, it should have a coefficent
12.
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
13.
What are the correct formulas and coefficients for the products of the following single-replacement reaction?
Mg + Al(OH)3 →
Mg + Al(OH)3 →
a)
No Reaction
b)
Al + Mg(OH)3
c)
2 Al + 3 Mg(OH)2
d)
3 Al + MgOH3
14.
A compound that contains only carbon and hydrogen and that produces CO2 and H2O when burned is called a(n)
a)
binary compound
b)
carbonate
c)
ionic compound
d)
hydrocarbon
15.
How many different types/classifications of Chemical Reactions have we learned about?
a)
3
b)
4
c)
5
d)
6
16.
Which chemical reaction breaks down into 2 substances?
a)
Double Replacement
b)
Single Replacement
c)
Synthesis
d)
Decomposition
17.
AB + CD = AD + CB
a)
Double Replacement
b)
Single Replacement
c)
Combustion
d)
Decomposition
18.
CxHy(Oz)+O2-->H2O+CO2
a)
Decomposition
b)
Double replacement
c)
Combustion
d)
Single Replacement
19.
Si + S8 --> Si2S4
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
20.
Ca + AlCl3 --> CaCl2 + Al
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
21.
KOH + H3PO4 --> K3PO4 + H2O
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
22.
Pb(NO3)2 --> PbO + NO2 + O2
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Combustion
23.
What are the products of this reaction?
Cu+ AgNO3-->
Cu+ AgNO3-->
a)
Cu(NO3)2+Ag
b)
CuNO3 + Ag
c)
CuAg+NO3
d)
Cu+ AgNO3
24.
Write a balanced reaction for this reaction
Zn(s) + H2SO4(aq) -->
Zn(s) + H2SO4(aq) -->
a)
Zn(SO4)2 + H
b)
ZnSO4 + H2
c)
ZnSO4 + H
d)
Zn2SO4 + H2
25.
Write a balanced equation for this DR reactions
NaOH + Fe(NO3)3 -->
NaOH + Fe(NO3)3 -->
a)
NaFe + OH(NO3)3
b)
2NaNO3 + 3Fe(OH)3
c)
NaNO3 + FeOH
d)
3NaNO3 + Fe(OH)3
26.
Write a Balanced Equation for this reaction:
C2H4 + 2 O2 -->
C2H4 + 2 O2 -->
a)
C2O2 + H4
b)
CO2 + HOH
c)
CO + H
d)
2 CO2 + 2H2O
27.
Predict the products for the this reaction:
K + HCl -->
K + HCl -->
a)
KCl + H2
b)
KHCl
c)
KH + Cl2
d)
KCl + H
28.
Predict the products for the this reaction:
Mg + CuCl2 -->
Mg + CuCl2 -->
a)
MgCl2 + Cu
b)
MgCl + Cu
c)
MgCu + Cl2
d)
CuMg + Cl2
29.
Predict the products for the this reaction:
AgNO3 + KCl -->
AgNO3 + KCl -->
a)
AgCl + KNO3
b)
AgK + ClNO3
c)
AgNO3 + KCl
d)
KAg + NO3Cl
30.
Predict the products for the following reactants.
C6H12 + O2 -->
C6H12 + O2 -->
a)
CO + H2
b)
CO2 + O2
c)
C3H6O
d)
CO2 + H2O
31.
Predict the products for the following reactants.
Mg + I2 -->
Mg + I2 -->
a)
MgI
b)
MgI2
c)
Mg + I2
d)
Mg2I
32.
Predict the products for the following reactants.
Na + MgCl2 -->
Na + MgCl2 -->
a)
NaCl + Mg
b)
NaCl2 + Mg
c)
No Reaction
d)
NaMgCl2
33.
Predict the products for the following reactants.
Al + O2 -->
Al + O2 -->
a)
AlO
b)
AlO2
c)
Al2O3
d)
Al2O
34.
Predict the products for the following reactants.
AgNO3 + Na2CO3 -->
AgNO3 + Na2CO3 -->
a)
Ag2CO3 + NaNO3
b)
No Reaction
c)
AgCO3 + NO3Na
d)
AgCO3 + NaNO3
35.
Predict the products for the following reactants.
Al + CuCl2 -->
Al + CuCl2 -->
a)
No Reaction
b)
CuAl + Cl2
c)
Cu + AlCl3
d)
Cu2 + AlCl2
36.
Predict the products for the following reactants.
K2CO3 + BaCl2 -->
K2CO3 + BaCl2 -->
a)
No Reaction
b)
KCl + BaCO3
c)
K2Cl + BaCO3
d)
KCl2 + BaCO3
37.
Predict the products for the following reactants.
NaCl + CaBr2 -->
NaCl + CaBr2 -->
a)
NaBr + CaCl2
b)
NaBr2 + CaCl2
c)
No Reaction
d)
NaBr + Cl2Ca
38.
Predict the products for the following reactants.
Ag2O -->
Ag2O -->
a)
Ag + O
b)
Ag + O2
c)
AgO
d)
Ag2 + O
39.
Write a complete balanced reaction for the following.
Calcium metal reacts with oxygen gas to form a solid
Calcium metal reacts with oxygen gas to form a solid
a)
2 Ca (s) + O2 (g) --> 2 CaO (s)
b)
2 Ca (s) + 2 O (g) --> 2 CaO (s)
c)
Ca (s) + O2 (g) --> 2 CaO (s)
d)
Ca (s) + O2 (g) --> CaO2 (s)
40.
Write a complete balanced reaction for the following.
Liquid butane, C4H8, is burned in the presence of gaseous oxygen.
Liquid butane, C4H8, is burned in the presence of gaseous oxygen.
a)
C4H8 (l) + 6 O2 (g) --> 4 CO2 (g) + 4 H2O (g)
b)
C4H8 (l) + 12 O (g) --> 4 CO2 (g) + 4 H2O (g)
c)
C4H8 (l) + 12 O2 (g) --> 4 CO2 (g) + 4 H2O (g)
d)
C4H8 (l) + 5 O2 (g) --> 4 CO2 (g) + O2 (g) + 4 H2 (g)
41.
Write a complete reaction for the following. The equation does NOT have to be balanced.
Gaseous nitrogen dioxide reacts with liquid water to form two aqueous acids.
Gaseous nitrogen dioxide reacts with liquid water to form two aqueous acids.
a)
NO2 (g) + H2O (l) → HNO3 (aq) + HNO2 (aq)
b)
NO2 (g) + H2O (l) → HNO3 (aq)
c)
NO2 (g) + H2O (l) → HNO2 (aq)
d)
N2O (g) + H2O (l) → HNO3 (aq) + HNO2 (aq)
42.
Write a complete reaction for the following.
Solid iron (III) oxide decomposes.
Solid iron (III) oxide decomposes.
a)
2 Fe2O3 (s) → 4 Fe (s) + 3 O2 (g)
b)
Fe2O3 (s) → 2 Fe (s) + 3 O (g)
c)
2 FeO (s) → 2 Fe (s) + O2
d)
Fe3O2 (s) → 3 Fe (s) + O2
43.
Write a complete reaction for the following.
Nitrogen gas reacts with hydrogen gas.
Nitrogen gas reacts with hydrogen gas.
a)
N2 (g) + 3 H2 (g) → 2 NH3 (g)
b)
N2 (g) + 4 H2 (g) → 2 NH4 (g)
c)
N (g) + H (g) → NH (g)
d)
N2 (g) + H2 (g) → 2 NH (g)
44.
Write a complete reaction for the following.
Solid magnesium oxide reacts with gaseous carbon dioxide.
Solid magnesium oxide reacts with gaseous carbon dioxide.
a)
MgO (s) + CO2 (g) → MgCO3 (s)
b)
Mg2O2 (s) + 2 CO2 (g) → 2 MgCO3 (s)
c)
MgO (s) + CO (g) → MgCO2 (s)
d)
MgO2 (s) + CO2 (g) → MgCO4 (s)
45.
When the equation Fe3O4 + Al --> Al2O3 + Fe is correctly balanced, what is the coefficient of Fe?
a)
2
b)
7
c)
9
d)
4
46.
When the equation Fe3O4 + Al --> Al2O3 + Fe is correctly balanced, what is the coefficient of Fe?
a)
2
b)
7
c)
9
d)
4
47.
Mg + F →
a)
MgF
b)
MgF₂
c)
FMg
48.
PbSO₄ + AgNO₃ →
a)
Ag₂SO₄ + Pb(NO₃)₂
b)
Ag₂SO+ Pb(NO₃)
49.
FeS + HCl →
a)
HS + FeCl
b)
H₂S + FeCl₂
50.
KI + Pb(NO₃)₂ →
a)
KNO + PbI
b)
K(NO₃) + PbI₂
51.
KBr + Cl₂ →
a)
KCl + Br₂
b)
KCl + Br
52.
What type of reaction is this?
C2H4 + O2 -->
CO2 + H2O
C2H4 + O2 -->
CO2 + H2O
a)
Combustion
b)
Double Replacement
c)
Single Replacement
d)
Decomposition
53.
F2 + Ca -->
a)
FCa
b)
F2Ca
c)
CaF2
d)
FCa
54.
Mn(NO3)2 + Li3PO4
a)
MnLi3 + (NO3)2PO4
b)
MnPO4 + Li3(NO3)2
c)
Mn3(PO4)2 + NO3Li
d)
Mn3(PO4)2 + LiNO3
55.
Write the unbalanced reaction for magnesium nitride is heated
a)
Mg3N2 --> Mg2 + N2
b)
Mg3N2 --> Mg + N2
c)
MgN --> Mg + N
d)
MgN --> Mg + N2
56.
Write the unbalanced equation for ethane (C2H6) combusting
a)
C2H6 + O2 --> CO2 + H2O
b)
C2H6 + O --> C2H6O
c)
C2H6 + O2 --> C2H6O
d)
C2H6 + O --> CO2 + H2O
57.
Predict the products for the this reaction:
Mg + CuCl2 -->
Mg + CuCl2 -->
a)
MgCl2 + Cu
b)
MgCl + Cu
c)
MgCu + Cl2
d)
CuMg + Cl2
58.
Write a balanced equation for this Double Displacement reaction
NaOH + Fe(NO3)3 -->
NaOH + Fe(NO3)3 -->
a)
NaFe + OH(NO3)3
b)
2NaNO3 + 3Fe(OH)3
c)
NaNO3 + FeOH
d)
3NaNO3 + Fe(OH)3
59.
What are the products of this single replacement reaction: Mg + CuSO4
a)
Cu + MgSO4
b)
Cu + SO4Mg
c)
Cu + Mg(SO4)2
d)
No Reaction
60.
Write the unbalanced equation for hydrogen reacting with nitrogen
a)
H2 + N2 --> HN
b)
H2+ N2 --> NH3
c)
H2 + N2 --> H2N2
d)
H + N --> HN
61.
Write the unbalanced equation for aluminum bromide reacting with rubidium acetate.
a)
AlBr + RbC2H3O2 --> AlC2H3O2 + RbBr
b)
AlBr3 + RbC2H3O2 --> Al(C2H3O2)3 + RbBr
c)
AlBr3 + RbC2H3O2 --> AlRb + BrC2H3O2
d)
AlBr3 + RbC2H3O2 --> AlRb3 + BrC2H3O2
62.
Write the balanced equation for octane (C8H18) combusting
a)
C8H18 + 8O2 --> 8CO2 + 9H2O
b)
C8H18 + 17O2 --> 8CO2 + 9H2O
c)
2C8H18 + 25O2 --> 16CO2 + 18H2O
d)
C8H18 + O2 --> CO2 + H2O
63.
Write the correct unbalanced equation for fluorine reacting with potassium phosphide
a)
F + KP --> K + FP
b)
F2 + K3P --> F2K3 + P
c)
F2 + K3P --> KF + P
d)
F2 + K3P --> KF + P2
64.
What do the coefficients need to be in the following equation in order to be balanced?
_Al +_HCl → _H2 +_AlCl3
_Al +_HCl → _H2 +_AlCl3
a)
2, 6, 3, 2
b)
it is already balanced
c)
4, 12, 3, 4
d)
2, 1, 4, 5
65.
Balance this reaction: ____ RbNO3 + ____ BeF2 ----> ____ Be(NO3)2 + ____ RbF
a)
1,1,1,1
b)
1,2,1,1
c)
2,1,1,2
d)
2,1,2,1
66.
Balance this reaction: ____ GaF3 + ____ Cs ---> ____ CsF + ____ Ga
a)
1,1,3,1
b)
1,2,3,1
c)
2,3,3,1
d)
1,3,3,1
67.
What is the left part of a chemical equation called?
H2 + O → H2O
H2 + O → H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
68.
What is the little number after an element in a chemical equation called.
Example: H2
Example: H2
a)
Coefficient
b)
Subscript
c)
Atom
d)
Equation
69.
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
70.
Chemical equations/reactions must always show...
a)
Substances remaining the same
b)
Change in physical state
c)
Law of Conservation of Mass
d)
New elements on each side
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