pH Scale

Front

What is the pH scale?

Back

The pH scale is a measure of how acidic or basic a solution is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.

Front

What is a neutral pH value?

Back

A neutral pH value is 7, which indicates that a solution is neither acidic nor basic.

Front

What substance has a neutral pH of 7?

Back

Water is the only substance with a neutral pH of 7.

Front

What is an acid?

Back

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

Front

What is a base?

Back

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

Front

What does a pH of 14 indicate?

Back

A pH of 14 indicates a very basic solution.

Front

What does a pH of 0 indicate?

Back

A pH of 0 indicates a very acidic solution.

Front

How much more basic is a solution with a pH of 14 compared to neutral pH?

Back

A solution with a pH of 14 is 10,000,000 times more basic than a neutral pH.

Front

What is the pH of lemon juice?

Back

Lemon juice typically has a pH of around 2, making it acidic.

Front

What is the pH of baking soda solution?

Back

A baking soda solution typically has a pH of around 9, making it basic.