Question 1

The spectator ions in the following precipitation equation are ________. AgNO₃ + NaCl → AgCl + NaNO₃

Accepted Answer

A)  Ag+ and NO₃- 
B)  Na+ and NO₃- 
C)  Ag+ and Cl- 
D)  Na+ and Cl- 
A)  Ag+ and NO₃- 
B)  Na+ and NO₃- 
C)  Ag+ and Cl- 
D)  Na+ and Cl-

Question 2

Match every equation with its type.
-C₂H₄O + O₂ → CO + H₂O

Accepted Answer

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

Question 3

Predict whether each of the compounds is water soluble or insoluble.
-lithium sulfate

Accepted Answer

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

Question 4

Match each of the equations with the correct relative coefficient ratio when the equation is balanced .
-C?H8O + 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 5

The following equation is an example of a ________ reaction. Zn + CuCL₂ → Cu + ZnCL₂

Accepted Answer

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

Question 6

Only the halides of lead (II) and silver (I) are insoluble in water.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following salts is soluble in water?

Accepted Answer

A)  AgCl 
B)  BaCO₃ 
C)  Ca(SO₄) 
D)  NaNO₃ 
A)  AgCl 
B)  BaCO₃ 
C)  Ca(SO₄) 
D)  NaNO₃

Question 8

Bond formation releases energy.

Accepted Answer

A) True 
 B)False

Question 9

Which process releases 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 10

Match every equation with its type.
-P + CL₂ → PCL₃

Accepted Answer

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

Question 11

Match the acid-base pairs.
-the conjugate base of HSO₄-

Accepted Answer

A) HNO₃ 
B) HCl 
C) SO₄2- 
D) OH- 
E) H₂SO₄
F)NO₂
G)H₃O+ 
A) HNO₃ 
B) HCl 
C) SO₄2- 
D) OH- 
E) H₂SO₄
F)NO₂
G)H₃O+

Question 12

What is the sum of all coefficients after the following equation is balanced? K₂CrO₄ + Al(NO₃)3 → AL₂(Cr O₄)3 + KNO₃

Accepted Answer

A)  4 
B)  8 
C)  12 
D)  15 
A)  4 
B)  8 
C)  12 
D)  15

Question 13

One needs to balance a chemical reaction before identifying the type of reaction.

Accepted Answer

A) True 
 B)False

Question 14

Predict whether each of the compounds is water soluble or insoluble.
-barium carbonate

Accepted Answer

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

Question 15

Which sulfate is soluble in water?

Accepted Answer

A)  calcium sulfate 
B)  barium sulfate 
C)  lithium sulfate 
D)  lead (II) sulfate 
A)  calcium sulfate 
B)  barium sulfate 
C)  lithium sulfate 
D)  lead (II) sulfate

Question 16

Which of the following equations has 1:2:1:1 as the coefficient ratio when balanced?

Accepted Answer

A)  H₂SO₄ + KOH → K₂SO₄ + H₂O 
B)  Zn + HCl → H₂ + ZnCL₂ 
C)  CH₄ + O₂ → CO₂ + H₂O 
D)  NaOH + HCl → NaCl + H₂O 
A)  H₂SO₄ + KOH → K₂SO₄ + H₂O 
B)  Zn + HCl → H₂ + ZnCL₂ 
C)  CH₄ + O₂ → CO₂ + H₂O 
D)  NaOH + HCl → NaCl + H₂O

Question 17

Which of the following equations is not a combustion reaction?

Accepted Answer

A)  C₂H₆O + O₂ → H₂O + CO₂ 
B)  CH₄ + O₂ → CO + H₂O 
C)  KClO₃ → KCl +O₂ 
D)  Fe + O₂ → FeO 
A)  C₂H₆O + O₂ → H₂O + CO₂ 
B)  CH₄ + O₂ → CO + H₂O 
C)  KClO₃ → KCl +O₂ 
D)  Fe + O₂ → FeO

Question 18

Another term for the combination reaction is a synthesis reaction.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following equations is a combustion reaction?

Accepted Answer

A)  MgO + HCl → MgCL₂ + H₂O 
B)  Al + Fe2O₃ → AL₂O₃ + Fe 
C)  KClO₃ → KCl + O₂ 
D)  CH₄ + O₂ → CO₂ + H₂O 
A)  MgO + HCl → MgCL₂ + H₂O 
B)  Al + Fe2O₃ → AL₂O₃ + Fe 
C)  KClO₃ → KCl + O₂ 
D)  CH₄ + O₂ → CO₂ + H₂O

Question 20

When the following ions barium, chloride, sodium and sulfate are placed together in a test tube, barium sulfate precipitates out.

Accepted Answer

A) True 
 B)False

The spectator ions in the following precipitation equation are ________. AgNO₃ + NaCl → AgCl + NaNO₃

Match every equation with its type. -C₂H₄O + O₂ → CO + H₂O

Predict whether each of the compounds is water soluble or insoluble. -lithium sulfate

Match each of the equations with the correct relative coefficient ratio when the equation is balanced . -C?H₈O + O? ? CO + H?O

The following equation is an example of a ________ reaction. Zn + CuCL₂ → Cu + ZnCL₂

Only the halides of lead (II) and silver (I) are insoluble in water.

Which of the following salts is soluble in water?

Bond formation releases energy.

Which process releases energy?

Match every equation with its type. -P + CL₂ → PCL₃

Match the acid-base pairs. -the conjugate base of HSO₄-

What is the sum of all coefficients after the following equation is balanced? K₂CrO₄ + Al(NO₃)3 → AL₂(Cr O₄)3 + KNO₃

One needs to balance a chemical reaction before identifying the type of reaction.

Predict whether each of the compounds is water soluble or insoluble. -barium carbonate

Which sulfate is soluble in water?

Which of the following equations has 1:2:1:1 as the coefficient ratio when balanced?

Which of the following equations is not a combustion reaction?

Another term for the combination reaction is a synthesis reaction.

Which of the following equations is a combustion reaction?

When the following ions barium, chloride, sodium and sulfate are placed together in a test tube, barium sulfate precipitates out.

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

The spectator ions in the following precipitation equation are ________. AgNO₃ + NaCl → AgCl + NaNO₃

Match every equation with its type. -C₂H₄O + O₂ → CO + H₂O

Predict whether each of the compounds is water soluble or insoluble. -lithium sulfate

Match each of the equations with the correct relative coefficient ratio when the equation is balanced . -C?H8O + O? ? CO + H?O

The following equation is an example of a ________ reaction. Zn + CuCL₂ → Cu + ZnCL₂

Only the halides of lead (II) and silver (I) are insoluble in water.

Which of the following salts is soluble in water?

Bond formation releases energy.

Which process releases energy?

Match every equation with its type. -P + CL₂ → PCL₃

Match the acid-base pairs. -the conjugate base of HSO₄-

What is the sum of all coefficients after the following equation is balanced? K₂CrO₄ + Al(NO₃)3 → AL₂(Cr O₄)3 + KNO₃

One needs to balance a chemical reaction before identifying the type of reaction.

Predict whether each of the compounds is water soluble or insoluble. -barium carbonate

Which sulfate is soluble in water?

Which of the following equations has 1:2:1:1 as the coefficient ratio when balanced?

Which of the following equations is not a combustion reaction?

Another term for the combination reaction is a synthesis reaction.

Which of the following equations is a combustion reaction?

When the following ions barium, chloride, sodium and sulfate are placed together in a test tube, barium sulfate precipitates out.

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 each of the equations with the correct relative coefficient ratio when the equation is balanced . -C?H₈O + O? ? CO + H?O