Acids, bases & pH

Front

What is an acid?

Back

An acid is a substance that releases H+ ions when dissolved in water.

Front

What is a base?

Back

A base is a substance that turns red litmus blue.

Front

What is another name for a base?

Back

Alkaline.

Front

What is the pH scale range?

Back

The pH scale ranges from 0 to 14.

Front

What does a pH of 7 indicate?

Back

A pH of 7 indicates a neutral solution.

Front

What is the pH of an acid?

Back

An acid has a pH less than 7.

Front

What is the pH of a base?

Back

A base has a pH greater than 7.

Front

What color does litmus paper turn in an acid?

Back

Litmus paper turns red in an acid.

Front

What color does litmus paper turn in a base?

Back

Litmus paper turns blue in a base.

Front

Give an example of a common acid.

Back

An example of a common acid is orange juice.