Acids and Bases

Front

What is an acid?

Back

An acid is a substance that donates protons (H+) in a solution and typically has a sour taste. Examples include vinegar and lemon juice.

Front

What is a base?

Back

A base is a substance that accepts protons (H+) or produces hydroxide ions (OH-) in a solution. Bases usually have a bitter taste and feel slippery. An example is baking soda.

Front

What is the pH scale?

Back

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

Front

What pH value indicates a neutral solution?

Back

A neutral solution has a pH of 7.

Front

What pH value indicates an acidic solution?

Back

An acidic solution has a pH less than 7.

Front

What pH value indicates a basic solution?

Back

A basic solution has a pH greater than 7.

Front

What is an example of a common household acid?

Back

Vinegar is a common household acid.

Front

What is an example of a common household base?

Back

Baking soda is a common household base.

Front

What happens when an acid reacts with a base?

Back

When an acid reacts with a base, they neutralize each other, often producing water and a salt.

Front

What is the taste of acids?

Back

Acids typically have a sour taste.