- 1. The mixture appears to be too small to see the particles. example milk, cheese.
A) homogenous solution
B) colloid
C) heterogeneous solution
D) suspension
E) solute
- 2. The substance that gets dissolved is called the________
A) solute
B) solvent
C) solution
D) material
- 3. This does the dissolving, it's usually presented in greater amounts.
A) solution
B) solute
C) hydration
D) solvent
- 4. Water is an example of a _____________
A) solute
B) solution
C) solvent
D) mixture
- 5. Solutes dissolve faster at ________ temperatures
A) low
B) high
C) freezing
- 6. __________ is the largest amount of solute that can dissolve in a specific amount of solvent. It depends on the temperature.
A) Mixture
B) Solution
C) Solubility
D) Surface Area
- 7. Lemonade, sodas, and salt water are some examples of______________
A) solutes
B) colloids
C) suspensions
D) solutions
- 8. A combination of two or more substances that do not form a new substance. Example: muddy water,
A) mixture
B) compound
C) conductivity
D) ductility
- 9. An example of suspension where mixtures separate is__________
A) oil and water
B) alcohol and water
C) kool-aid
D) malleability
- 10. Which of the following IS NOT a sign of a physical change/property?
A) bubbles
B) hardness
C) odor
D) texture
- 11. Which of the following is a sign of a chemical change/property?
A) pH level
B) all of these
C) fizzing
D) light
E) flammable
- 12. Melting candle wax: Mainly... physical or chemical change?
A) neither
B) chemical
C) physical
- 13. Burning a candle: Mainly... physical or chemical change?
A) chemical
B) neither
C) physical
- 14. Tearing paper: Mainly... physical or chemical change?
A) neither
B) physical
C) chemical
- 15. Burning paper: Mainly... physical or chemical change?
A) neither
B) physical
C) chemical
- 16. Dissolving table salt: Mainly... physical or chemical change? *Think... can this go back to being salt and water separated?
A) chemical
B) neither
C) physical
- 17. Cutting a piece of ribbon: Mainly... physical or chemical change?
A) chemical
B) neither
C) physical
- 18. Adding hydrochloric acid to magnesium metal: Mainly... physical or chemical change?
A) physical
B) neither
C) chemical
- 19. Penny flattened by a hammer: Mainly... physical or chemical change?
A) neither
B) physical
C) chemical
- 20. Rusting metal: Mainly... physical or chemical change?
A) physical
B) chemical
C) neither
- 21. A glass of juice frozen, melted, and refrozen: Mainly... physical or chemical change?
A) neither
B) chemical
C) physical
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