Chemistry: Quiz: Introduction to Acids and Bases

Quiz: Introduction to Acids and Bases

1. All acids turn blue litmus paper

a. blue

b. red

c. green

2. In the neutralization process, an acid reacts with a base to form (in most cases)

a. a weak acid

b. a weak base

c. a salt and water

3. The Arrhenius definition of an acid is a substance that __________ the hydronium ion concentration.

a. decreases

b. increases

c. maintains

4. A common property of bases is a

a. sour taste

b. sweet taste

c. bitter taste

5. Acids react with most metals to form

a. hydrogen gas

b. oxygen gas

c. nitrogen gas

6. Solutions of acids and bases will conduct electricity because they

a. are molecular compounds

b. form ions when dissolved in water

c. are insoluble in most solvents

7. What scale was developed as an easy way to express the concentration of an acid or a base?

a. Arrhenius scale

b. Brønsted-Lowry scale

c. pH scale

8. According to Arrhenius, a base will

a. lower the OH^– ion concentration

b. keep the OH^– ion concentration the same

c. raise the OH^– concentration