Who Wants
Piles and Piles
of MONEY??
Pennies minted after 1984 contain 97.5% zinc and 2.5%
copper. These coins are an example of
A. suspensions
B. emulsions
C. colloids
D. alloys
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
What determines whether a mixture is a suspension or a
colloid?
A. Size of particles
B. Number of particles
C. Distribution of particles
D. None of the above
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
An oatmeal raisin cookie is an example of a
A. Homogeneous mixture
B. solution
C. Heterogeneous mixture
D. solvent
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
A heterogeneous mixture is one that is NOT
A. Easily mixed together
B. Made of two or more liquids
C. Edible by humans
D. Uniform throughout
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
Which of the following is a homogeneous mixture?
A. Salad dressing
B. Rubbing alcohol
C. gelatin
D. Orange juice with pulp
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
The particles in a colloid remain dispersed throughout the
mixture because they
A. Are extremely small
B. Have a negative charge
C. Have a positive charge
D. Are of different sizes
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
You can skim the fat off the top of a kettle of cold soup
because fat is
A. Made of small particles
B. An emulsion that remains
dispersed throughout the soup
C. Made of large particles that
will not pass through a filter
D. Less dense than water and
rises to the top
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
You can make a solute dissolve more quickly in a solvent by
A. Adding more solute
B. Adding ice
C. Heating the solvent
D. Removing some solvent
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
An example of a nonpolar molecule is
A. water
B. Olive oil
C. vinegar
D. salt
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
Some types of peanut butter settle into two layers, a solid
layer and a liquid layer. These peanut butters are
A. suspensions
B. colloids
C. solutions
D. emulsions
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
Two liquids that form a heterogeneous mixture are said to be
A. solutes
B. immiscible
C. colloids
D. miscible
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
Which of the following is an example of a homogeneous
mixture?
A. fog
B. gasoline
C. paint
D. Grapefruit juice
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
Particles in a(n) ___ can be separated by filtration.
A. alloy
B. solution
C. suspension
D. All of the above
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
The Tyndall effect is observed in
A. alloys
B. solutions
C. solvents
D. colloids
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
The electrons in a water molecule are gathered nearest to
A. The two hydrogen atoms
B. The four hydrogen atoms
C. The three oxygen atoms
D. The one oxygen atom
25%
A.
25%
B.
25%
C.
25%
D.
Points
15. $10,000
14. $9,000
13. $8,000
12. $7,000
11. $6,000
10. $5,000
9. $4,000
8. $3,000
7. $2,000
6. $1,000
5. $500
4. $400
3. $300
2. $20060
1. $100
Participant Scores
31800
31100
Kim Staples
Chelsea Hill
30500
30100
29900
Taylor Dressel
Alonzo Green
Robby Kurtz