Acids and Bases

Front

What is an acid?

Back

An acid is a corrosive substance that has a sour taste, a strong smell, and a pH less than 7.

Front

What is a base?

Back

A base is a substance that has a bitter taste, slippery feel, and a pH greater than 7.

Front

What is pH?

Back

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

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 a neutral substance?

Back

A neutral substance has a pH of 7, meaning it is neither acidic nor basic.

Front

What color does litmus paper turn in an acidic solution?

Back

Litmus paper turns red in an acidic solution.

Front

What color does litmus paper turn in a basic solution?

Back

Litmus paper turns blue in a basic solution.

Front

Give an example of a common acid.

Back

Orange juice is a common acid.

Front

Give an example of a common base.

Back

Baking soda is a common base.

Front

What is the pH range of acids?

Back

The pH range of acids is from 0 to less than 7.