Question 1

What is the name of powdered form of carbon, which is a component of soot?

Accepted Answer

A)  diamond 
B)  graphite 
C)  fullerenes 
D)  bucky balls 
E)  carbon black 
A)  diamond 
B)  graphite 
C)  fullerenes 
D)  bucky balls 
E)  carbon black

Question 2

Match the following.
-orthosilicate

Accepted Answer

A) Si4O116- 
B) Si2O76- 
C) SiO32- 
D) SiO44- 
E) Si2O52- 
A) Si4O116- 
B) Si2O76- 
C) SiO32- 
D) SiO44- 
E) Si2O52-

Question 3

Identify an example of a nitrite.

Accepted Answer

A)  NO2 
B)  NO 
C)  N2O 
D)  NaNO3 
E)  KNO2 
A)  NO2 
B)  NO 
C)  N2O 
D)  NaNO3 
E)  KNO2

Question 4

Determine the oxidation state of nitrogen in NO3⁻.

Accepted Answer

A)  +1 
B)  +6 
C)  +2 
D)  +3 
E)  +5 
A)  +1 
B)  +6 
C)  +2 
D)  +3 
E)  +5

Question 5

Why are phosphate compounds added to detergents?

Accepted Answer

They have the ability to remov

Question 6

Which of the following statements is TRUE?

Accepted Answer

A)  Water and H2S have the same bond angles. 
B)  Hydrofluoric acid is a strong reducing agent. 
C)  Sulfur is a stronger oxidizing agent than oxygen. 
D)  Water is less stable than H2S. 
E)  Sulfuric acid is a strong oxidizing agent. 
A)  Water and H2S have the same bond angles. 
B)  Hydrofluoric acid is a strong reducing agent. 
C)  Sulfur is a stronger oxidizing agent than oxygen. 
D)  Water is less stable than H2S. 
E)  Sulfuric acid is a strong oxidizing agent.

Question 7

Which of the following are major components of Earth's crust?

Accepted Answer

A)  oxygen and silicon 
B)  calcium and silicon 
C)  oxygen and iron 
D)  oxygen, hydrogen, and carbon 
E)  oxygen, iron, and carbon 
A)  oxygen and silicon 
B)  calcium and silicon 
C)  oxygen and iron 
D)  oxygen, hydrogen, and carbon 
E)  oxygen, iron, and carbon

Question 8

Which of the following is TRUE?

Accepted Answer

A)  Phosphoric acid is used to produce the "fizziness" in soda. 
B)  Sodium phosphate is an additive in baked goods to give them a longer shelf life. 
C)  Phosphorus can range in oxidation state from -3 to +5. 
D)  The phosphorus in the phosphite ion has an oxidation state of -3. 
E)  Phosphoric acid is a very strong oxidizing agent, just like nitric acid. 
A)  Phosphoric acid is used to produce the "fizziness" in soda. 
B)  Sodium phosphate is an additive in baked goods to give them a longer shelf life. 
C)  Phosphorus can range in oxidation state from -3 to +5. 
D)  The phosphorus in the phosphite ion has an oxidation state of -3. 
E)  Phosphoric acid is a very strong oxidizing agent, just like nitric acid.

Question 9

Which of the following statements is TRUE?

Accepted Answer

A)  Ammonium nitrate is insoluble in water. 
B)  Sodium nitrite is used in the glass industry. 
C)  NO2 reacts with water to form ammonia. 
D)  Hydrazine is a good reducing agent. 
E)  Nitric acid is a weak acid. 
A)  Ammonium nitrate is insoluble in water. 
B)  Sodium nitrite is used in the glass industry. 
C)  NO2 reacts with water to form ammonia. 
D)  Hydrazine is a good reducing agent. 
E)  Nitric acid is a weak acid.

Question 10

Determine the oxidation state of chlorine in ClO3⁻.

Accepted Answer

A)  +5 
B)  +4 
C)  +3 
D)  -4 
E)  -5 
A)  +5 
B)  +4 
C)  +3 
D)  -4 
E)  -5

What is the name of powdered form of carbon, which is a component of soot?

Match the following. -orthosilicate

Identify an example of a nitrite.

Determine the oxidation state of nitrogen in NO₃⁻.

Why are phosphate compounds added to detergents?

Which of the following statements is TRUE?

Which of the following are major components of Earth's crust?

Which of the following is TRUE?

Which of the following statements is TRUE?

Determine the oxidation state of chlorine in ClO₃⁻.

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry Ii: Reactions

Biochemistry

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

Exam 23: Chemistry of the Nonmetals

What is the name of powdered form of carbon, which is a component of soot?

Match the following. -orthosilicate

Identify an example of a nitrite.

Determine the oxidation state of nitrogen in NO3⁻.

Why are phosphate compounds added to detergents?

Which of the following statements is TRUE?

Which of the following are major components of Earth's crust?

Which of the following is TRUE?

Which of the following statements is TRUE?

Determine the oxidation state of chlorine in ClO3⁻.

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry Ii: Reactions

Biochemistry

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

Determine the oxidation state of nitrogen in NO₃⁻.

Determine the oxidation state of chlorine in ClO₃⁻.