ph

Front

What does a higher number on the pH scale indicate?

Back

A higher number on the pH scale indicates a base.

Front

What is the pH of a neutral substance?

Back

The pH of a neutral substance is 7.

Front

What is an acid in terms of pH?

Back

An acid is a substance with a pH less than 7.

Front

What is a base in terms of pH?

Back

A base is a substance with a pH greater than 7.

Front

What is the relationship between H+ and OH- concentrations in a base?

Back

In a base, the concentration of OH- is greater than the concentration of H+.

Front

What is the pH range for acids?

Back

The pH range for acids is 0 to 6.

Front

What is the pH range for bases?

Back

The pH range for bases is 8 to 14.

Front

What substance has a pH of 12?

Back

Bleach has a pH of 12.

Front

What substance has a pH of 9?

Back

Baking soda has a pH of 9.

Front

What is the effect of adding an acid to a solution?

Back

Adding an acid to a solution increases the concentration of H+ ions.