pH scale

Front

What is the purpose of a buffer?

Back

To neutralize an acid or base and maintain pH.

Front

On the pH scale, what does an acid produce?

Back

A solution with a pH less than 7.

Front

On the pH scale, what does a base produce?

Back

A solution with a pH greater than 7.

Front

What pH value indicates a neutral substance?

Back

7.

Front

What is an acid?

Back

A substance with a pH less than 7.

Front

What is a base?

Back

A substance with a pH greater than 7.

Front

What is the pH range for acids?

Back

0 to less than 7.

Front

What is the pH range for bases?

Back

Greater than 7 to 14.

Front

What is the pH of pure water?

Back

7.

Front

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

Back

The pH decreases.