Question 1

When aqueous solutions of sodium phosphate and calcium nitrite are mixed, the spectator ions are ________.

Accepted Answer

A)  calcium and nitrite 
B)  sodium and phosphate 
C)  calcium and phosphate 
D)  sodium and nitrite 
A)  calcium and nitrite 
B)  sodium and phosphate 
C)  calcium and phosphate 
D)  sodium and nitrite

Question 2

The following equation is an example of a ________ reaction. AgNO₃ + NaCl → AgCl + NaNO₃

Accepted Answer

A)  combination 
B)  precipitation 
C)  single replacement 
D)  decomposition 
A)  combination 
B)  precipitation 
C)  single replacement 
D)  decomposition

Question 3

Which of the following equations is not a single replacement reaction?

Accepted Answer

A)  H₂SO₄ + Mg(OH)2 → H₂O + MgSO₄ 
B)  Zn + HCl → H₂ + ZnCL₂ 
C)  Al + Fe2O₃ → AL₂O₃ + Fe 
D)  Na + H₂O → NaOH + H₂ 
A)  H₂SO₄ + Mg(OH)2 → H₂O + MgSO₄ 
B)  Zn + HCl → H₂ + ZnCL₂ 
C)  Al + Fe2O₃ → AL₂O₃ + Fe 
D)  Na + H₂O → NaOH + H₂

Question 4

A combustion reaction always involves carbon dioxide formation.

Accepted Answer

A) True 
 B)False

Question 5

The coefficients are respectively ________ for the following equation. Fe2O₃ + Al → AL₂O₃ + Fe

Accepted Answer

A)  1: 2: 1: 2 
B)  2: 3: 2: 3 
C)  1: 2: 2: 1 
D)  2: 3: 3: 4 
A)  1: 2: 1: 2 
B)  2: 3: 2: 3 
C)  1: 2: 2: 1 
D)  2: 3: 3: 4

Question 6

Which hydroxide is soluble in water?

Accepted Answer

A)  lead (II) hydroxide 
B)  magnesium hydroxide 
C)  calcium hydroxide 
D)  strontium hydroxide 
A)  lead (II) hydroxide 
B)  magnesium hydroxide 
C)  calcium hydroxide 
D)  strontium hydroxide

Question 7

Match each of the equations with the correct relative coefficient ratio when the equation is balanced .
-CH? + O? ? CO + H?O

Accepted Answer

A) 2: 3: 2: 4 
B) 1: 1: 1: 1 
C) 1: 3: 2: 2 
D) 1: 2: 2: 1 
E) 1: 2: 1: 1
F)1: 3: 3: 4 
A) 2: 3: 2: 4 
B) 1: 1: 1: 1 
C) 1: 3: 2: 2 
D) 1: 2: 2: 1 
E) 1: 2: 1: 1
F)1: 3: 3: 4

Question 8

Match every equation with its type.
-Mg + N₂ → Mg2N3

Accepted Answer

A) Combination 
B) Double replacement 
C) Decomposition 
D) Combustion 
A) Combination 
B) Double replacement 
C) Decomposition 
D) Combustion

Question 9

Predict whether each of the compounds is water soluble or insoluble.
-aluminum hydroxide

Accepted Answer

A) water insoluble 
B) water soluble 
A) water insoluble 
B) water soluble

Question 10

The following equation is an example of a ________ reaction. NaClO₃ → NaCl + O₂

Accepted Answer

A)  combination 
B)  combustion 
C)  decomposition 
D)  double replacement 
A)  combination 
B)  combustion 
C)  decomposition 
D)  double replacement

Question 11

The following equation is an example of a ________ reaction. C₈H₁₈ + O₂ → CO₂ + H₂O

Accepted Answer

A)  synthesis 
B)  decomposition 
C)  double displacement 
D)  combustion 
A)  synthesis 
B)  decomposition 
C)  double displacement 
D)  combustion

Question 12

The following equation is an example of a ________ reaction. K₂SO₄ + BaCL₂ → BaSO₄ + KCl

Accepted Answer

A)  combination 
B)  single replacement 
C)  double replacement 
D)  decomposition 
A)  combination 
B)  single replacement 
C)  double replacement 
D)  decomposition

Question 13

Match every equation with its type.
-H₂O₂ → H₂ + O₂

Accepted Answer

A) Combination 
B) Double replacement 
C) Decomposition 
D) Combustion 
A) Combination 
B) Double replacement 
C) Decomposition 
D) Combustion

Question 14

Which of the following is the least soluble in water?

Accepted Answer

A)  sodium sulfate 
B)  lead (II) nitrate 
C)  potassium chloride 
D)  calcium sulfate 
A)  sodium sulfate 
B)  lead (II) nitrate 
C)  potassium chloride 
D)  calcium sulfate

Question 15

The number of moles of sodium hydroxide needed to neutralize one mole of nitric acid is ________.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  0.5 
A)  1 
B)  2 
C)  3 
D)  0.5

Question 16

Which process absorbs energy?

Accepted Answer

A)  bond formation 
B)  bond breaking 
C)  both A and B 
D)  none of the above 
A)  bond formation 
B)  bond breaking 
C)  both A and B 
D)  none of the above

Question 17

Match each of the acids with a use or alternative name.
-sulfuric acid

Accepted Answer

A) used to dissolve metals 
B) found in lemons 
C) used to clean steel, also known as muriatic acid 
D) used in car batteries 
E) used to etch glass
F)is the active ingredient in vinegar 
A) used to dissolve metals 
B) found in lemons 
C) used to clean steel, also known as muriatic acid 
D) used in car batteries 
E) used to etch glass
F)is the active ingredient in vinegar

Question 18

Which lead (II) compound is soluble in water?

Accepted Answer

A)  lead (II) sulfate 
B)  lead (II) carbonate 
C)  lead (II) chloride 
D)  lead (II) nitrate 
A)  lead (II) sulfate 
B)  lead (II) carbonate 
C)  lead (II) chloride 
D)  lead (II) nitrate

Question 19

Which sulfate is insoluble in water?

Accepted Answer

A)  ammonium sulfate 
B)  strontium sulfate 
C)  sodium sulfate 
D)  potassium sulfate 
A)  ammonium sulfate 
B)  strontium sulfate 
C)  sodium sulfate 
D)  potassium sulfate

Question 20

Which of the following equations is not a double replacement reaction?

Accepted Answer

A)  H₂SO₄ + Mg(OH)2 → H₂O + MgSO₄ 
B)  Mg + HCl → H₂ + MgCL₂ 
C)  AlCL₃ + H₂O → Al(OH)3 + HCl 
D)  AgNO₃ + NaCl → AgCl + NaNO₃ 
A)  H₂SO₄ + Mg(OH)2 → H₂O + MgSO₄ 
B)  Mg + HCl → H₂ + MgCL₂ 
C)  AlCL₃ + H₂O → Al(OH)3 + HCl 
D)  AgNO₃ + NaCl → AgCl + NaNO₃

When aqueous solutions of sodium phosphate and calcium nitrite are mixed, the spectator ions are ________.

The following equation is an example of a ________ reaction. AgNO₃ + NaCl → AgCl + NaNO₃

Which of the following equations is not a single replacement reaction?

A combustion reaction always involves carbon dioxide formation.

The coefficients are respectively ________ for the following equation. Fe2O₃ + Al → AL₂O₃ + Fe

Which hydroxide is soluble in water?

Match each of the equations with the correct relative coefficient ratio when the equation is balanced . -CH? + O? ? CO + H?O

Match every equation with its type. -Mg + N₂ → Mg₂N₃

Predict whether each of the compounds is water soluble or insoluble. -aluminum hydroxide

The following equation is an example of a ________ reaction. NaClO₃ → NaCl + O₂

The following equation is an example of a ________ reaction. C₈H₁₈ + O₂ → CO₂ + H₂O

The following equation is an example of a ________ reaction. K₂SO₄ + BaCL₂ → BaSO₄ + KCl

Match every equation with its type. -H₂O₂ → H₂ + O₂

Which of the following is the least soluble in water?

The number of moles of sodium hydroxide needed to neutralize one mole of nitric acid is ________.

Which process absorbs energy?

Match each of the acids with a use or alternative name. -sulfuric acid

Which lead (II) compound is soluble in water?

Which sulfate is insoluble in water?

Which of the following equations is not a double replacement reaction?

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 8: Chemical Reactions

When aqueous solutions of sodium phosphate and calcium nitrite are mixed, the spectator ions are ________.

The following equation is an example of a ________ reaction. AgNO₃ + NaCl → AgCl + NaNO₃

Which of the following equations is not a single replacement reaction?

A combustion reaction always involves carbon dioxide formation.

The coefficients are respectively ________ for the following equation. Fe2O₃ + Al → AL₂O₃ + Fe

Which hydroxide is soluble in water?

Match each of the equations with the correct relative coefficient ratio when the equation is balanced . -CH? + O? ? CO + H?O

Match every equation with its type. -Mg + N₂ → Mg2N3

Predict whether each of the compounds is water soluble or insoluble. -aluminum hydroxide

The following equation is an example of a ________ reaction. NaClO₃ → NaCl + O₂

The following equation is an example of a ________ reaction. C₈H₁₈ + O₂ → CO₂ + H₂O

The following equation is an example of a ________ reaction. K₂SO₄ + BaCL₂ → BaSO₄ + KCl

Match every equation with its type. -H₂O₂ → H₂ + O₂

Which of the following is the least soluble in water?

The number of moles of sodium hydroxide needed to neutralize one mole of nitric acid is ________.

Which process absorbs energy?

Match each of the acids with a use or alternative name. -sulfuric acid

Which lead (II) compound is soluble in water?

Which sulfate is insoluble in water?

Which of the following equations is not a double replacement reaction?

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Match every equation with its type. -Mg + N₂ → Mg₂N₃