Acids and Bases

Front

What is an acid?

Back

A substance that has a pH less than 7 and can donate protons (H+) in a solution.

Front

What is a base?

Back

A substance that has a pH greater than 7, is slippery to the touch, and can accept protons (H+).

Front

What is the pH scale?

Back

A scale that measures how acidic or basic a substance is, ranging from 0 to 14.

Front

What pH value indicates a neutral substance?

Back

A pH of 7 indicates a neutral substance.

Front

What happens when an acid reacts with a base?

Back

They neutralize each other, producing water and a salt.

Front

What is an example of a common acid?

Back

Vinegar, which contains acetic acid.

Front

What is an example of a common base?

Back

Baking soda, which contains sodium bicarbonate.

Front

What color does litmus paper turn in an acid?

Back

Red.

Front

What color does litmus paper turn in a base?

Back

Blue.

Front

What is the strongest acid on the pH scale?

Back

A pH of 0, such as hydrochloric acid.