Name_
1. Acids are substances that produce hydrogen ions (H+) when dissolved in water. Lemon juice is an example of an acidic solution.
What does lemon juice taste like? What effect does lemon juice have on some metals?
2. Bases are substances that produce hydroxide ions (OH-) when dissolved in water. Hand soap is an example of a basic solution.
What does soap feel like? What does soap taste like?
3. The strength of an acid or base is measured on the pH scale. The term "pH" is short for "potential of hydrogen". It is a measure of how many excess H+ ions there are in a solution. The pH scale runs from 0 to 14, with 0 representing the highest concentration of hydrogen ions. Complete the following table.
Type of Solution | pH < 7, pH > 7, or pH = 7 | OH- < H+, OH- > H+, or OH- = H+
Acidic
Basic
Neutral
4. In a neutralization reaction, what are the products of a reaction between an acid and a base? Select an answer.
Another acid and base
Carbon dioxide and a salt
Water and a salt
Either two acids or two bases