Pre-Test. Acids and Bases (MULTIPLE CHOICE)
Name:______
1. Acids taste
a. sweet. b. sour. c. bitter d. salty.
2. Acids make litmus paper turn
a. red. b. yellow. c. Blue d. black
3. Acids react with
a. bases to produce salts and water. b. salts to produce bases and water.
c. water to produce bases and salts. d. neither bases, salts, nor water.
4. Bases taste
a. soapy. b. sour. c. sweet. d. bitter.
5. Bases feel
a. rough. b. moist. c. slippery. d. dry.
6. Bases make litmus paper turn
a. blue. b. red. c. yellow. d. black.
7. Bases react with
a. acids to produce salts and water. b. salts to produce acids and water.
c. water to produce acids and salts. d. neither acids, salts, nor water.
8. What is the pH of a neutral solution at 25°C?
a. 0 b. 1 c. 7 d. 14
9. The pH scale in general use ranges from
a. 0 to 1. b. -1 to 1. c. 0 to 7. d. 0 to 14.
10. The pH of an acidic solution is
a. less than O. b. less than 7. c. greater than 7. d. greater than 14.
11. The pH of a basic solution is
a. less than O. b. less than 7. c. greater than 7. d. greater than 14.
12. A water solution whose pH is 4
a. is always neutral. b. is always basic.
c. is always acidic. d. might be neutral, basic, or acidic.
13. Precipitation is considered to be acidic if the pH
a. is greater than the pH of clear rain. b. Is greater than 5.6.
c. is less than 5.6 d. cannot be measured.
14. Which is Not an effect of an effect of acid precipitation on fish?
a. suffocation. b. increased food supply.
c. birth defects. d. decreased egg production