Chapter 21 Metallurgy and the Chemistry of Metals

Chapter 21 Metallurgy and the Chemistry of Metals

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

Multiple Choice Questions

1. A naturally occurring substance with a range of chemical composition is
   A.an element.
   B. a mineral.
   C. gangue.
   D. an ore.
   E. an amalgam.

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 21.01
Subtopic: Mining and Metallurgy
Topic: Environmental Chemistry

2. Which one of these metals would normally be obtained by electrolytic reduction?
   A.aluminum
   B. chromium
   C. copper
   D. iron
   E. zinc

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 21.02
Subtopic: Mining and Metallurgy
Topic: Environmental Chemistry

3. Which one of these metals would normally be obtained by chemical reduction?
   A.aluminum
   B. calcium
   C. lithium
   D. sodium
   E. vanadium

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 21.02
Subtopic: Mining and Metallurgy
Topic: Environmental Chemistry

4. The naturally occurring form of a metal that is concentrated enough to allow economical recovery of the metal is known as
   A.an element.
   B. a mineral.
   C. gangue.
   D. an ore.
   E. an amalgam.

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 21.02
Subtopic: Mining and Metallurgy
Topic: Environmental Chemistry

5. The flotation process used in metallurgy involves
   A.the roasting of sulfides.
   B. separation of gangue from ore.
   C. electrolytic reduction.
   D. chemical reduction of a metal.
   E. zone refining.

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 21.02
Subtopic: Mining and Metallurgy
Topic: Environmental Chemistry