Wyzant
Wyzant: Acids and Bases
This site presents everything you need to know about acids and bases and more! Gives a nice description on what acids and bases are, properties of both, strong and weak acids and bases, an overview of pH, and much more.
Frostburg State University
General Chemistry Online: Faq: Acids and Bases
Click the basic questions regarding acids, bases, and pH to view the answers. There are sections on basic concepts, buffer solutions, pH calculation, equilibrium constants, indicators, neutralization reactions, and titrations.
Other
Chemguide: P H Curves (Titration Curves)
On this site from Chemguide, the titration curves for various acid-base combinations (weak acid/strong base, strong acid/strong base, etc.) are talked about with examples of each given.
Chem Tutor
Chem Tutor: Chemistry: Titration and P H Math Problems
This is a titration and ph math problem exercise; the answers are also provided.
Purdue University
Purdue University: Calcium Hydroxide Crystal Structure
A picture of the crystal structure of calcium hydroxide. Additional plug-in required.
Other
The Science House: Cabbage Juice Indicator
In this lab experiment, students will use red cabbage as an indicator to test whether a substance is an acid or a base. Teacher's notes provide background information.
Other
Chemguide: Organic Acids and Bases Menu
Chemguide provides information on both organic acids and organic bases.
Other
The Acids, Alkalis and Salts Crossword
Test your chemistry knowledge with this exciting hands-on online crossword puzzle. Creative Chemistry has developed an on-line game for teachers to utilize in their classrooms.