pH Acids and Bases

Front

What is the only substance with a neutral pH of 7?

Back

Water

Front

What does a pH level above 7 indicate?

Back

A base

Front

What does a pH level below 7 indicate?

Back

An acid

Front

What is the pH scale range?

Back

0 to 14

Front

What is a base?

Back

A substance with a pH greater than 7.

Front

What is an acid?

Back

A substance with a pH less than 7.

Front

What is the pH of pure water?

Back

7 (neutral)

Front

What happens to pH when carbon dioxide levels increase?

Back

pH decreases (becomes more acidic).

Front

What is a buffer?

Back

A substance that helps maintain a stable pH in a solution.

Front

What color does pH paper turn in a basic solution?

Back

Typically blue or green.