Chapter 21, Problem 21.6QP

Interpretation Introduction

Interpretation:

The three different methods for refining a metal have to be briefly described.

Concept introduction:

Metals:

• Metal is material which can be an element, compound, or alloy and is hard.
• Metals prepared by reduction usually need further treatments to remove impurities.
• The purification depends on how the metal will be used and there are three common purification methods.