Unit 8 Acids and Bases Test Pd 3

Front

What is the pH range of an acid?

Back

0-6.9

Front

What happens to blue litmus paper when placed in an acid?

Back

It stays blue.

Front

What happens to red litmus paper when placed in a base?

Back

It turns blue.

Front

What is the pH of pure water?

Back

7 (neutral substance)

Front

Which pH value represents an acid?

Back

4

Front

What are the characteristics of a base?

Back

Very bitter taste, feels slippery, produces OH- ions in water.

Front

What is the pH range of a base?

Back

7.1-14

Front

What is an acid?

Back

A substance that donates protons (H+) in a solution.

Front

What is a base?

Back

A substance that accepts protons (H+) or produces OH- ions in a solution.

Front

What is the effect of acids on litmus paper?

Back

Turns blue litmus paper red.