Chapter 4 Vocab Test

Science 14- Chapter 4 Vocabulary Quiz Name______________________ Directions: In the box provided write the letter than corresponds to the term. 1. Concentrated

A. A slippery, bitter-tasting substance that turns red litmus paper blue and has a pH over 7.

2. Dilute

B. A property of substances with a high or low pH that wear away other substances they contact.

3. Acid

C. A substance with a pH of about 7 that has none of the properties of an acid or a base.

4. Base

D. A sour-tasting substance that turns blue litmus paper red and has a pH of less than 7.

5. Neutral

E. An indicator strip that has been treated with a weak solution of litmus.

6. Indicator

F. Any mixture that has a lot of solute per volume of solution.

7. Litmus Paper

G. A number that tells you how acidic or basic a substance is.

8. pH

H. Describes a mixture that has very little solute per volume of solution.

9. pH Scale

I. The wearing away of materials by a chemical reaction.

10. Neutralization

J. A scale from 0-14 that classifies how acidic or basic substances are.

11. Corrosive

K. A substance that changes color in the presence of an acid or base.

12. Corrosion

L. Any precipitation that has a pH lower than 5.6

13. Acid Rain

M. The chemical reaction that cancels out acidic and basic properties when an acid and a base combine.