- 1. When the particles in a mixture are the size of atoms or molecules.
A) solution
B) phase
C) solubility
D) homogeneous mixture
- 2. the mixture appears to be too small to see the particles. example milk, cheese.
A) homogeneous
B) solution
C) heterogeneous
D) solute
- 3. The substance that gets dissolved is called the________
A) solute
B) solution
C) material
D) solvent
- 4. This does the dissolving, it's usually presented in greater amounts.
A) solution
B) solute
C) solvent
D) hydration
- 5. Water is an example of a _____________
A) mixture
B) solvent
C) solute
D) chemical
- 6. Solutes dissolve faster at ________ temperatures
A) freezing
B) low
C) high
- 7. __________ is the largest amount of solute that can dissolve in a specific amount of solvent. It depends on the temperature.
A) Solution
B) Solubility
C) Surface Area
D) Mixture
- 8. _________ is the amount of a particular substance in a given quantity of a mixture or solution
A) Solution
B) Agitation
C) Concentration
D) Dilute
- 9. Salad or trail mix is an example of a________________mixture.
A) homogeneous
B) heterogeneous
C) solution
D) concentration
- 10. Lemonade, sodas, and salt water some are examples of______________
A) solute
B) mixtures
C) solutions
D) soot
- 11. A combination of two or more substances that do not form a new substance. Example: muddy water,
A) conductivity
B) malleability
C) flatness ability
D) ductility
- 12. An example of suspension where mixtures separate is__________
A) alcohol and water
B) malleability
C) oil and water
- 13. Will ignite easily, burn vigorously
A) Flammable
B) Combustible
C) Explosive
- 14. Which of the following IS NOT a sign of a physical change
A) odor
B) bubbles
C) hardness
D) texture
- 15. Which of the following is a sign of a chemical change
A) fizzing
B) sound
C) light
D) all of these
- 16. Melting candle wax: Physical or chemical change?
A) physical
B) neither
C) chemical
- 17. Burning a candle: Physical or chemical change?
A) physical
B) chemical
C) neither
- 18. Tearing paper: Physical or chemical change?
A) neither
B) chemical
C) physical
- 19. Burning paper: Physical or chemical change?
A) physical
B) neither
C) chemical
- 20. Dissolving table salt: Physical or chemical change?
A) chemical
B) neither
C) physical
- 21. Cutting a piece of magnesium ribbon: Physical or chemical change?
A) chemical
B) physical
C) neither
- 22. Adding hydrochloric acid to magnesium metal: Physical or chemical change?
A) chemical
B) physical
C) neither
- 23. Penny flattened by a hammer: Physical or chemical change?
A) neither
B) chemical
C) physical
- 24. Rusting water: Physical or chemical change?
A) neither
B) physical
C) chemical
- 25. A glass of juice frozen, melted, and refrozen: Physical or chemical change?
A) physical
B) neither
C) chemical
- 26. Which factor will cause a solid to dissolve faster in a liquid?
A) Use a larger lump of the solid
B) Cool the solution
C) Use an already saturated solvent
D) Stir the solution
- 27. Which of the following causes the greatest increase in the solubility of a gas in a liquid?
A) Decreasing the temperature and increasing the pressure
B) Increasing the temperature and decreasing the pressure
C) Increasing the temperature and the pressure
D) Decreasing the temperature and the pressure
- 28. How does the solubility of a solid change when the temperature of the liquid solvent is increased?
A) The solubility decreases
B) The change in the solubility is unpredictable
C) There is no change in the solubility
D) The solubility increases
|