CEPUP TEST - Solutions and Pollution
1. The best definition for the word chemical is:
A. Chemicals are substances that are poisonous.
B. Chemicals are substance used in the lab to do experiments.
C. Chemicals are substances that industry uses to make products.
D. Chemicals make up all things that have mass.
2. The substance that dissolves other substances when a solution is formed is called:
A. solvent
B. solute
C. solution
D. mixture
3. The following compound is called the universal solvent.
A. alcohol
B. universal indicator
C. water
D. sodium chloride
4. The quantity of matter that exists in a unit volume is called:
A. mass
B. weight
C. concentration
D. particles
5. If more solvent is added to a solution it becomes:
A. concentrated
B. dilute
C. both
D. neither
6. If a drop of base contains 3 times as many particles as a drop of acid how many drops of acid would be needed to neutralize 60 drops of base?
A. 180
B. 30
C. 200
D. 20
7. If a drop of acid contains 3 times as many particles as a drop of base how many drops of base would it take to neutralize 15 drops of acid?
A. 7
B. 30
C. 45
D.50
8. In general, with the universal indicator base solutions turn a ______ color.
A. purple
B. red
C. blue
D. yellow
9. In a glass of Kool-Aid the solvent is:
A. Sugar.
B. Kool-Aid powder.
C. water.
D. All of these.
10. To make impure is:
A. neutralization
B. concentration
C. pollution
D. solution
11. The acid used in the CEPUP labs was:
A. Ammonia
B. Universal indicator
C. Vinegar
D. water
12. A solution in water is defined as:
A. A mixture that may be colored or colorless and is clear.
B. A compound that may be colored or colorless and clear.
C. A mixture that may be colored and cloudy.
D. A compound that may be colored and cloudy.
13. In the successive dilution lab the solution in cup 1 was a 10% solution. This means:
A. 1 part of solute in 10 parts of water.
B. 10 parts of solute in 1 part of water.
C. 1 part of solute in 10 parts of solution.
D. 10 parts of solute in 1 part of solution.
14. The pH of a substance is measured. You are told it is a strong base. The pH is most likely:
A. 7
B. 5
C. 2
D. 13
15. A 1-PPM solution has:
A. 1 part solute to 10 parts solution.
B. 1 part solute to 1,000,000 parts solution.
C. 1 part solute to 1,000 parts solution.
D. 1 part solute to 100 parts solution.
16. Acids are compounds that:
A. Accept hydrogen ions in a reaction.
B. Turn blue litmus paper red.
C. Have a pH above 7.
D. Feel slippery to the touch
17. The reaction of an acid and a base to produce a salt plus water is called:
A. dilution
B. ionization
C. neutralization
D. oxidation
18. All of the following are correct about the pH scale except:
A. Bases have a pH from 7-14.
B. A pH of 1 is a weak acid.
C. Pure water is a neutral substance.
D. A pH of 7 indicates a neutral solution.
19. An acid / base indicator used in the CEPUP labs was called:
A. litmus paper
B. bromthymol blue
C. thymol blue
D. phenolthalein
20. The base solution used in the CEPUP labs was:
A. Ammonia
B. Universal Indicator
C. Vinegar
D. water
21. Which of the following does NOT represent a solution?
A. Cola
B. Coffee
C. Cream
D. Food coloring in water
22. The concentration of a solution containing 5 grams of salt in 95 grams of water is:
A. 50% salt water
B. 40% salt water
C. 5 % salt water
D. 33.3% salt water
23. What is the concentration of a solution that is made by taking one drop of a 100% solution and adding nine drops of water to it?
A. 1%
B. 100%
C. 0.1%
D. 10%
24. All acids contain:
A. chlorine
B. hydroxide ion
C. sulfate ion
D. hydrogen ions
25. When neutralization occurs the products are:
A. sugar & water
B. water
C. salt
D. salt & water
Lancaster High School, Physical Science, SEPUP Test 2001
Mr. Hayhurst
Handout Index | SEPUP Main Page
Copyright
Ó 2001, Pat Hayhurst--Lancaster High School