Max Mckenna
New member
1.
In what kind of reaction do two or more substances combine to form a new compound?
A) Decomposition
B) Ionic
C) Double-displacement
D) Synthesis
2.
Classify the chemical reaction 2SO2 + O2 à 2SO3.
A) Single-displacement
B) Double-displacement
C) Synthesis
D) Combustion
3.
The equation A + X à AX is the general equation for
A) a combustion reaction.
B) an ionic reaction.
C) a synthesis reaction.
D) a double-displacement reaction.
4.
In what kind of reaction does a single compound produce two or more simpler substances?
A) Decomposition
B) Synthesis
C) Displacement
D) Ionic reaction
5.
The reaction 2KClO3(s) à 2KCl(s) + 3O2(g) is
A) a synthesis reaction.
B) a decomposition reaction.
C) a combustion reaction.
D) an ionic reaction.
6.
Iron + sulfur à Iron (II) sulfide [Fe + S à FeS] is an example of
A) a decomposition reaction.
B) a double decomposition reaction.
C) a single-displacement reaction.
D) a synthesis reaction.
7.
Sodium oxide + water à Sodium hydroxide [Na2O + H2O à 2 NaOH] is an example of
A) a decomposition reaction.
B) a double decomposition reaction.
C) a single-displacement reaction.
D) a synthesis reaction.
8.
Which is a synthesis reaction?
A) Fe + H2S à FeS + H2
B) 8Fe + S8 à 8FeS
C) NaCl + AgNO3 à AgCl + NaNO3
D) K2CO3 à K2O + CO2
9.
Of the reaction types studied, which has only one reactant?
A) Decomposition
B) Synthesis
C) Displacement
D) Combustion
10.
Classify the chemical reaction 3CuSO4 + 2Al à Al2SO4 + 3Cu.
A) Single-displacement
B) Double-displacement
C) Synthesis
D) Combustion
11.
What is the name of a list of elements arranged according to the ease with which they undergo chemical reactions?
A) Reactivity list
B) Reaction sequence
C) Activity series
D) Periodic list
12.
An element in the activity series can replace any element
A) in the periodic table.
B) below it.
C) above it.
D) in its group.
13.
If metal X is lower than metal Y in the activity series, metal X
A) replaces ions of metal Y in a solution.
B) is more active than metal Y.
C) is less active than metal Y.
D) forms positive ions more readily than metal Y.
14.
The equation A + BX à AX + B is the general equation for
A) a double-displacement reaction.
B) a decomposition reaction.
C) a single-displacement reaction.
D) a combustion reaction.
15.
The reaction Cl2(g) + 2KBr(aq) à 2KCl(aq) + Br2(l) is
A) a synthesis reaction.
B) an ionic reaction.
C) a single-displacement reaction.
D) a combustion reaction.
16.
Which is a double-displacement reaction?
A) Fe + H2S à FeS + H2
B) 8Fe + S8 à 8FeS
C) NaCl + AgNO3 à AgCl + NaNO3
D) K2CO3 à K2O + CO2
17.
What type of chemical reaction involves the exchange of ions of two compounds in an aqueous solution to form two new compounds?
A) Synthesis
B) Decomposition
C) Single-displacement
D) Double-displacement
18.
Which combination is most likely to cause a displacement reaction?
A) A zinc strip placed in a solution of aluminum chloride
B) A nickel strip placed in a solution of calcium chloride
C) A silver strip placed in a solution of potassium hydroxide
D) An aluminum strip placed in a solution of copper chloride
19.
What determines the order of elements in the activity series?
A) Increasing atomic number
B) Increasing electronegativity
C) Increasing ionization energy
D) Experimentally determined reactivity
20.
The reaction Mg(s) + 2HCl(aq) à H2(g) + MgCl2(aq) is classified as a __________ reaction.
A) synthesis
B) decomposition
C) combustion
D) single-displacement
21.
A reaction of a hydrocarbon, in which carbon dioxide and water are produced, is classified as
A) a decomposition reaction.
B) a combustion reaction.
C) a double-displacement reaction.
D) a synthesis reaction.
22.
Two categories of combustion reactions are
A) endothermic and exothermic.
B) complete and incomplete.
C) synthesis and decomposition.
D) reactive and unreactive.
23.
The products of the incomplete combustion of C5H10O in air are
A) carbon monoxide + water.
B) salt + hydrogen.
C) carbon dioxide + water.
D) carbon monoxide + an oxide.
24.
The balanced products of the complete combustion of C3H8 + 5 O2 are
A) 3 CO2 + 4 H2O.
B) 3 CO + 4 H2O.
C) CO2 + H2O.
D) CO + H2O.
25.
The coefficients of the balanced combustion reaction 2 C6H14 + 19 O2 à 12 CO2 + 14 H2O are
A) 1, 1, 1, and 1.
B) 1, 8, 6, and 7.
C) 2, 18, 12, and 14.
D) 2, 19, 12, and 14.
In what kind of reaction do two or more substances combine to form a new compound?
A) Decomposition
B) Ionic
C) Double-displacement
D) Synthesis
2.
Classify the chemical reaction 2SO2 + O2 à 2SO3.
A) Single-displacement
B) Double-displacement
C) Synthesis
D) Combustion
3.
The equation A + X à AX is the general equation for
A) a combustion reaction.
B) an ionic reaction.
C) a synthesis reaction.
D) a double-displacement reaction.
4.
In what kind of reaction does a single compound produce two or more simpler substances?
A) Decomposition
B) Synthesis
C) Displacement
D) Ionic reaction
5.
The reaction 2KClO3(s) à 2KCl(s) + 3O2(g) is
A) a synthesis reaction.
B) a decomposition reaction.
C) a combustion reaction.
D) an ionic reaction.
6.
Iron + sulfur à Iron (II) sulfide [Fe + S à FeS] is an example of
A) a decomposition reaction.
B) a double decomposition reaction.
C) a single-displacement reaction.
D) a synthesis reaction.
7.
Sodium oxide + water à Sodium hydroxide [Na2O + H2O à 2 NaOH] is an example of
A) a decomposition reaction.
B) a double decomposition reaction.
C) a single-displacement reaction.
D) a synthesis reaction.
8.
Which is a synthesis reaction?
A) Fe + H2S à FeS + H2
B) 8Fe + S8 à 8FeS
C) NaCl + AgNO3 à AgCl + NaNO3
D) K2CO3 à K2O + CO2
9.
Of the reaction types studied, which has only one reactant?
A) Decomposition
B) Synthesis
C) Displacement
D) Combustion
10.
Classify the chemical reaction 3CuSO4 + 2Al à Al2SO4 + 3Cu.
A) Single-displacement
B) Double-displacement
C) Synthesis
D) Combustion
11.
What is the name of a list of elements arranged according to the ease with which they undergo chemical reactions?
A) Reactivity list
B) Reaction sequence
C) Activity series
D) Periodic list
12.
An element in the activity series can replace any element
A) in the periodic table.
B) below it.
C) above it.
D) in its group.
13.
If metal X is lower than metal Y in the activity series, metal X
A) replaces ions of metal Y in a solution.
B) is more active than metal Y.
C) is less active than metal Y.
D) forms positive ions more readily than metal Y.
14.
The equation A + BX à AX + B is the general equation for
A) a double-displacement reaction.
B) a decomposition reaction.
C) a single-displacement reaction.
D) a combustion reaction.
15.
The reaction Cl2(g) + 2KBr(aq) à 2KCl(aq) + Br2(l) is
A) a synthesis reaction.
B) an ionic reaction.
C) a single-displacement reaction.
D) a combustion reaction.
16.
Which is a double-displacement reaction?
A) Fe + H2S à FeS + H2
B) 8Fe + S8 à 8FeS
C) NaCl + AgNO3 à AgCl + NaNO3
D) K2CO3 à K2O + CO2
17.
What type of chemical reaction involves the exchange of ions of two compounds in an aqueous solution to form two new compounds?
A) Synthesis
B) Decomposition
C) Single-displacement
D) Double-displacement
18.
Which combination is most likely to cause a displacement reaction?
A) A zinc strip placed in a solution of aluminum chloride
B) A nickel strip placed in a solution of calcium chloride
C) A silver strip placed in a solution of potassium hydroxide
D) An aluminum strip placed in a solution of copper chloride
19.
What determines the order of elements in the activity series?
A) Increasing atomic number
B) Increasing electronegativity
C) Increasing ionization energy
D) Experimentally determined reactivity
20.
The reaction Mg(s) + 2HCl(aq) à H2(g) + MgCl2(aq) is classified as a __________ reaction.
A) synthesis
B) decomposition
C) combustion
D) single-displacement
21.
A reaction of a hydrocarbon, in which carbon dioxide and water are produced, is classified as
A) a decomposition reaction.
B) a combustion reaction.
C) a double-displacement reaction.
D) a synthesis reaction.
22.
Two categories of combustion reactions are
A) endothermic and exothermic.
B) complete and incomplete.
C) synthesis and decomposition.
D) reactive and unreactive.
23.
The products of the incomplete combustion of C5H10O in air are
A) carbon monoxide + water.
B) salt + hydrogen.
C) carbon dioxide + water.
D) carbon monoxide + an oxide.
24.
The balanced products of the complete combustion of C3H8 + 5 O2 are
A) 3 CO2 + 4 H2O.
B) 3 CO + 4 H2O.
C) CO2 + H2O.
D) CO + H2O.
25.
The coefficients of the balanced combustion reaction 2 C6H14 + 19 O2 à 12 CO2 + 14 H2O are
A) 1, 1, 1, and 1.
B) 1, 8, 6, and 7.
C) 2, 18, 12, and 14.
D) 2, 19, 12, and 14.