Vocabulary - Acids And Bases printable pdf download

Vocabulary - Acids And Bases

Name

Date

Vocabulary

STUDENT RESOURCE 7.1

INFORMATION SHEET

acid a substance that tastes sour, conducts

pH a measure of the amount of acid in a

electricity, and reacts with many metals

solution

Lemon juice is an acid. It tastes sour,

A low pH means a solution is acidic.

conducts electricity, and reacts with

Stomach acid has a pH of about 2.

certain metals, such as iron.

A high pH means a solution is basic.

Ammonia solution used for cleaning is a

base a substance that tastes bitter and

base and has a pH of about 11.

feels slippery

Soap is a base. It tastes bitter and

salt the product of a chemical reaction

feels slippery.

between an acid and a base

When an acid combines with a

indicator a substance that changes color

base, a salt and water are produced.

with a change in pH

For example, when hydrochloric acid

Phenol red is an example of an

(stomach acid) and the base sodium

indicator. Phenol red is yellow in an acid,

hydroxide (lye) react, the products are

red in a base, and orange in a neutral

water and sodium chloride, table salt.

solution.

CHEMISTRY • SECTION 7 ACIDS AND BASES

Vocabulary - Acids And Bases