Uploaded by c_nazlikian

chem matter

advertisement
Name ______________________________________ Date_____________
States of Matter Quiz #2
Part 1 Multiple Choice: Select the letter choice that best answers the question and record on your sheet.
_____ 1. The amount of energy needed to change a material from a liquid to a gas is the heat of
A. evaporation
B. fusion
C. vaporization
D. condensation
____ 2. When two or more substances are physically combined, the result is a(n)
A. chemical change
B. element
C. compound
D. mixture
____ 3. The air that you breathe is an example of a(n)
A. solid
B. liquid
solution.
C. gaseous
D. plasma
____ 4. As a sample of matter is heated, its particles
A. are unaffected
B. move more quickly
.
C. move more slowly
D. stop moving
.
.
____ 5. Three examples of physical changes are
A. sawing wood, crushing a can, and burning a marshmallow
B. burning of gasoline, rotting an egg, and exploding fireworks
C. freezing of water, evaporation of gasoline, and rusting of a nail
D. boiling of water, blowing up a balloon, and melting a candle
____ 6. Which of the following is evidence that a physical change has occurred?
A. Broken glass
B. Rust
C. Bubbles
D. Formation of a solid precipitate
____ 7.
is another name for a homogeneous mixture.
A. Liquid
B. Substance
C. Suspension
D. Solution
____ 8. The amount of energy needed to change a material from the solid state to the liquid state is the heat of .
A. condensation
B. vaporization
C. fusion
D. evaporation
____ 9. CaCO3 is an example of which type of matter?
A. Element
C. Homogeneous mixture
B. Compound
D. Heterogeneous mixture
____ 10. Hydrogen, gold, and iron are all examples of
A. homogeneous mixtures
C. elements
B. heterogeneous mixtures
D. compounds
____ 11. A type of matter formed by chemically joining two or more elements is known as a
A. compound
B. solution
C. colloid
D. suspension
____ 12. Using the data table to the right, determine the
identity of a cube of metal that measures 1.2 cm on each
side and has a mass of 18.15 grams.
A. Gold
C. Nickel
B. Silver
D. Zinc
Name ______________________________________ Date_____________
____ 13. Mrs. James blends lemons, sugar, and water in a pitcher. She has made a
A. compound
B. substance
C. homogeneous mixture
.
D. heterogeneous mixture
____ 14. The Law of Conservation of Mass states
A. Mass never stays constant.
B. Mass is always added during a chemical change.
C. Mass is always lost during a chemical change.
D. Mass is not lost or created during a chemical change.
_____ 15. The amount of energy needed to turn 1 mole of a solid into a liquid at its melting point is known as the
.
A. heat of vaporization
B. heat of fusion
C. heat of thermal energy
D. heat of sublimation
_____ 16. Which of the following statements is not true about pressure?
A. It is defined as the force per unit area on a surface.
B. Pressure is only dependent on volume and temperature.
C. Gas particles exert pressure on every surface they collide with.
D. Increasing pressure increases the collisions of particles.
_____ 17. The temperature at which the kinetic energy of particles overcome the attractive forces that hold them together
and lose their order, allowing them to slide past each other, is known as the
.
A. melting point.
B. boiling point.
C. freezing point.
D. condensation point.
Part 2 Open Response: Answer the following questions in their entirety, if a question has multiple parts, be sure to
clearly label each part.
18. Explain whether or not a phase change is physical or chemical. (2 pts)
19. Label the five parts of the heating curve on your answer sheet. (5 pts)
Download