Question 1

Electrometallurgy is ________.

Accepted Answer

A)  refining of metal ores using heat 
B)  forming metal parts using electricity 
C)  forming metal parts using heat and small crystals of metal 
D)  refining of metal ores using oxidation-reduction reactions 
E)  refining of metal ores using reactions with aqueous solutions 
A)  refining of metal ores using heat 
B)  forming metal parts using electricity 
C)  forming metal parts using heat and small crystals of metal 
D)  refining of metal ores using oxidation-reduction reactions 
E)  refining of metal ores using reactions with aqueous solutions

Question 2

What is the difference between ferromagnetism and paramagnetism?

Accepted Answer

When a substance is paramagnetic, it con

Question 3

What are the components of bronze?

Accepted Answer

A)  copper and tin 
B)  lead and aluminum 
C)  nickel and zinc 
D)  copper and zinc 
E)  zinc and lead 
A)  copper and tin 
B)  lead and aluminum 
C)  nickel and zinc 
D)  copper and zinc 
E)  zinc and lead

Question 4

Identify a balanced equation for the calcination of Al(OH)3.

Accepted Answer

A)  2Al(OH)3(s)   Al2O3(s) + 3H2O(g) 
B)  Al(OH)3(s) + SiO2(s)   AlSiO3(s) + 3H2O(g) 
C)  Al(OH)3(s)   AlO(OH) + H2O(g) 
D)  Al(OH)3(s) + C(s)   Al2O3(s) + CO2(g) + H2O(g) 
E)  2Al(OH)3(s) + 3CO(g)   Al2O3(s) + 3CO2(g) + 3H2O(g) 
A)  2Al(OH)3(s)   Al2O3(s) + 3H2O(g) 
B)  Al(OH)3(s) + SiO2(s)   AlSiO3(s) + 3H2O(g) 
C)  Al(OH)3(s)   AlO(OH) + H2O(g) 
D)  Al(OH)3(s) + C(s)   Al2O3(s) + CO2(g) + H2O(g) 
E)  2Al(OH)3(s) + 3CO(g)   Al2O3(s) + 3CO2(g) + 3H2O(g)

Question 5

What is an advantage of hydrometallurgical processes over pyrometallurgical processes?

Accepted Answer

Hydrometallurgy generally does

Question 6

Which of the following describes slag?

Accepted Answer

A)  a waste material that is the product of smelting a metal ore 
B)  the aqueous portion of the gangue separated from a metal ore 
C)  a low-density waste product, formed from the reaction of gangue with another substance, that can be easily separated from the metal ore of interest 
D)  a substance that reacts with the gangue to make a low-density liquid compound that can be easily separated from the metal of interest 
E)  a heavy precipitate containing by-products obtained during the purification process 
A)  a waste material that is the product of smelting a metal ore 
B)  the aqueous portion of the gangue separated from a metal ore 
C)  a low-density waste product, formed from the reaction of gangue with another substance, that can be easily separated from the metal ore of interest 
D)  a substance that reacts with the gangue to make a low-density liquid compound that can be easily separated from the metal of interest 
E)  a heavy precipitate containing by-products obtained during the purification process

Question 7

Pyrometallurgy is the ________.

Accepted Answer

A)  refining of metal ores using reactions with aqueous solutions 
B)  refining of metal ores using heat 
C)  refining of metal ores using oxidation-reduction reactions 
D)  forming of metal parts using heat and small crystals of metal 
E)  forming of metal parts using electricity 
A)  refining of metal ores using reactions with aqueous solutions 
B)  refining of metal ores using heat 
C)  refining of metal ores using oxidation-reduction reactions 
D)  forming of metal parts using heat and small crystals of metal 
E)  forming of metal parts using electricity

Question 8

What is the highest oxidation number of chromium?

Accepted Answer

A)  +3 
B)  +4 
C)  +5 
D)  +7/ 
E)  +6 
A)  +3 
B)  +4 
C)  +5 
D)  +7/ 
E)  +6

Question 9

Which of the following describes flux?

Accepted Answer

A)  a waste material that is the product of smelting a metal ore 
B)  the aqueous portion of the gangue separated from a metal ore 
C)  a low-density waste product, formed from the reaction of gangue with another substance, that can be easily separated from the metal ore of interest 
D)  a substance that reacts with the gangue to make a low-density liquid compound that can be easily separated from the metal of interest 
E)  a low-density material that floats on the liquid during purification by flotation 
A)  a waste material that is the product of smelting a metal ore 
B)  the aqueous portion of the gangue separated from a metal ore 
C)  a low-density waste product, formed from the reaction of gangue with another substance, that can be easily separated from the metal ore of interest 
D)  a substance that reacts with the gangue to make a low-density liquid compound that can be easily separated from the metal of interest 
E)  a low-density material that floats on the liquid during purification by flotation

Electrometallurgy is ________.

What is the difference between ferromagnetism and paramagnetism?

What are the components of bronze?

Identify a balanced equation for the calcination of Al(OH)₃.

What is an advantage of hydrometallurgical processes over pyrometallurgical processes?

Which of the following describes slag?

Pyrometallurgy is the ________.

What is the highest oxidation number of chromium?

Which of the following describes flux?

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

Chemistry of the Nonmetals

Transition Metals and Coordination Compounds

Filters

Exam 24: Metals and Metallurgy

Electrometallurgy is ________.

What is the difference between ferromagnetism and paramagnetism?

What are the components of bronze?

Identify a balanced equation for the calcination of Al(OH)3.

What is an advantage of hydrometallurgical processes over pyrometallurgical processes?

Which of the following describes slag?

Pyrometallurgy is the ________.

What is the highest oxidation number of chromium?

Which of the following describes flux?

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

Chemistry of the Nonmetals

Transition Metals and Coordination Compounds

Filters

Identify a balanced equation for the calcination of Al(OH)₃.