Discover what acidic, basic, and neutral means. Learn what makes something acidic, what number is neutral on the pH scale and the pH of acidic solutions.

Understand the pH scale and value of a neutral, acidic, and alkaline pH. Explore how the concentrations of H+ and OH- ions affect the pH levels of solutions.

Learn to define optimum pH and enzyme activity. Discover the optimum pH for enzyme activity and how to determine the optimum pH for enzymes through various examples.

The pH scale ranges from 0 to 14. Numbers less than 7 are acids, and numbers greater than 7 are bases. The pH of lemon juice, an acid, is 2. The pH of ammonia, a base, is 12. Pure water, …

Learn what bromothymol blue and bromobenzoic acid are. Understand the useful pH range of bromothymol blue and the uses of BTB ( bromothymol blue)...

Learn how to calculate the pH of a buffer solution. Discover the purpose of a buffer solution, and work through examples using the buffer solution...

The pH is an indication of the acidity, alkalinity, and neutrality of a liquid or aqueous solution. The range of pH starts from 0 and ends at 14. pH measurements depend on the concentration of ...

The pH scale is a chemical scale ranking how acidic or alkaline (basic) something is and ranges from 0-14, with 0 being the most acidic and 14 being the most alkaline.

Learn about the bicarbonate buffer system. Understand how carbonic acid and bicarbonate buffer the pH system in blood and see the equation for this reaction.

Discover what neutral pH means by watching this 5-minute video. Explore its range, learn how to calculate it through the given examples, then take a quiz.