PH Scale

Front

What does the pH scale measure?

Back

The pH scale measures the acidity or basicity of a solution.

Front

What is the pH range of the scale?

Back

The pH scale ranges from 0 to 14.

Front

What is an acid?

Back

An acid is a substance that releases H+ ions in solution.

Front

What is a base?

Back

A base is a substance that releases OH- ions in solution.

Front

What pH value indicates a neutral solution?

Back

A neutral solution has a pH of 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 a buffer solution?

Back

A buffer solution resists changes in pH when small amounts of acid or base are added.

Front

What is the characteristic feel of a base?

Back

Bases feel slippery to the touch.

Front

What is the characteristic taste of an acid?

Back

Acids typically have a sour taste.