Chapter 14, Problem 90P

Interpretation Introduction

Interpretation:

The chemical reaction that occurs when straight hair is made permanent curly needs to be explained.

Concept Introduction:

Oxidation is defined as a process of the addition of oxygen or an increase in the oxidation state of a substance. In terms of electrons, oxidation is the process in which loss of electron/s takes place.

Reduction may be defined as the process in which the addition of hydrogen or an electropositive element takes place to the substance. In terms of electrons, the reduction is the process in which a substance gains an electron.