Chapter 2, Problem 41A

Interpretation Introduction

Interpretation: Two physical properties used to distinguish between water and ethanol should be determined.

Concept Introduction: A property that is a characteristic of matter and not associated with any change in chemical composition is said to be physical property.

Explanation of Solution

Two physical properties used to distinguish between water and ethanol are:

• Boiling point
• Melting point

The boiling and melting point of water is ${\text{100}}^{\text{o}}\text{ C}$ and ${\text{0}}^{\text{o}}\text{ C}$ respectively whereas the boiling and melting point of ethanol is ${78}^{\text{o}}\text{ C}$ and $-{117}^{\text{o}}\text{ C}$ respectively.