Acids & Bases - pH, very simple

Front

What is the pH scale?

Back

The pH scale is a measure of how acidic or basic a substance is, ranging from 0 to 14.

Front

What pH value indicates a neutral substance?

Back

A pH value of 7 indicates a neutral substance.

Front

What is an acid?

Back

An acid is a substance that has a pH less than 7.

Front

What is a base?

Back

A base is a substance that has a pH greater than 7.

Front

What happens to the pH of a solution when an acid is added?

Back

The pH of the solution decreases (becomes more acidic).

Front

What happens to the pH of a solution when a base is added?

Back

The pH of the solution increases (becomes more basic).

Front

What is an example of a common acid?

Back

Common acids include vinegar and lemon juice.

Front

What is an example of a common base?

Back

Common bases include baking soda and dish soap.

Front

What is the significance of a pH of 0?

Back

A pH of 0 indicates a very strong acid.

Front

What is the significance of a pH of 14?

Back

A pH of 14 indicates a very strong base.