pH

Front

What does pH measure?

Back

pH measures the amount of hydrogen (H⁺) ions in a solution.

Front

What is the pH scale range?

Back

The pH scale ranges from 0 to 14.

Front

What pH value indicates a neutral solution?

Back

A neutral solution has a pH of 7.

Front

What is an acid in terms of pH?

Back

An acid has a pH less than 7.

Front

What is a base in terms of pH?

Back

A base has a pH greater than 7.

Front

What is the strongest acid on the pH scale?

Back

The strongest acid has a pH close to 0.

Front

What is the strongest base on the pH scale?

Back

The strongest base has a pH close to 14.

Front

What happens to pH when an acid is added to water?

Back

The pH decreases (becomes more acidic).

Front

What happens to pH when a base is added to water?

Back

The pH increases (becomes more basic).

Front

What is the relationship between pH and hydrogen ion concentration?

Back

As pH decreases, hydrogen ion concentration increases.