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Transcript
Chemistry
Test Ch 1
Study Guide
Matter and Change

Define Matter

States of matter

Phase changes (including graphs)

Identify the characteristics of a substance.

Compare and contrast mixtures and substances.

Classify mixtures as homogeneous or heterogeneous.

Distinguish between elements and compounds.

Distinguish between physical and chemical properties.

Define physical change and list several common physical changes.

Define chemical change and list four indications that a chemical change has taken
place.
CHAPTER 1 Review: Matter and Change
1. Matter includes all of the following except
a. air
b. light
c. water vapor
d. iron
2. All types of matter can be classified into 2 categories, including
a. substances and solutions
b. elements and compounds
c. substances and mixtures
d. energy and mixtures
3. Which of the following is a compound?
a. water
b. soda
c. oxygen
d. ice cream
4. The term "homogeneous" refers to
a. matter that is different throughout a sample.
b. matter that is the same throughout a sample.
c. matter that is mixed together.
d. elements only.
5. Another term for a "homogenous mixture" is
a. compound
b. element
c. solution
d. substance
6. A "mixture" is defined as
a. 2 elements combined in a definite ratio.
b. a substance.
c. always homogenous.
d. 2 substances combined physically.
7. The 4 states of matter in the universe include:
a. solid, gas, cytoplasm, liquid
b. gas, liquid, solid, plasma
c. solid, gels, liquids, gases
d. There are only 3 states of matter.
8. The state of matter that has definite volume and definite shape is a
a. gas
b. liquid
c. solid
9. The state of matter that has the highest kinetic energy is
a. gas
b. liquid
c. solid
-- -
10. Substances can be categorized into
a. elements and mixtures
b. homogeneous and heterogeneous
c. elements and compounds
d. compounds and matter
11. Which of the following are BOTH substances?
a. salt water and sugar water
b. salt and silver .
c. water and sugar water
d. soda and carbon dioxide
12. Which of the following is a heterogeneous mixture?
a. chocolate chip mint ice cream
b. vanilla ice cream
c. oil & vinegar salad dressing
d. Choices "a" and "c" are correct.
13. Which of the following are BOTH compounds?
a. Ag and Au
b. CO and CO2
c. H2O and Co
d. H2O and Fe
14. The process of a gas changing state to a liquid is called
a. evaporation
b. freezing
c. sublimation
d. condensation
15. The process of a solid changing state directly to a gas is called
a. evaporation
b. freezing
c. sublimation
d. condensation
16. The__________ is the temperature at which a solid becomes a liquid.
a. melting point
b. freezing point
c. boiling point
17. Which of the following is NOT a physical property?
a. malleability
b. luster
c. solubility
d. flammability
18. Ductility refers to the ability of a substance to
a. be hammered into thin sheets.
b. conduct electricity.
c. be stretched into long wires.
d. dissolve in a liquid.
19. Which of the following is undergoing a chemical change?
a. A peach rotting
b. Butter melting
c. Water condensing
d. Cutting up a carrot into many pieces
20. Which can be used as evidence that a chemical change is occurring?
a. bubbling
b. formation of a new solid
c. change in color
d. all of the above
21. Which of the following is undergoing a physical change?
a. grass growing
b. bicycle rusting
c. glue gun melting a glue stick
d. piece of wood rotting
22. Water in the gas state is called
a. ice
b. liquid water
c. dry ice
d. water vapor
23. Sand and gravel mixed together is an example of a
a. substance.
b. heterogeneous mixture.
c. homogeneous mixture.
d. solution.
24. A student places a beaker with 100 mL of water on a hot plate and allows
it to boil for 10 minutes. 80 mL remained in the beaker.
This is evidence of
a. a chemical reaction
b. a physical change
c. evaporation
d. Choices "b" and "c" are correct.
25. Endothermic reactions
a. absorb energy and feel cold
b. release energy and feel hot
c. absorb energy and feel hot
d. release energy and feel cold
--
26. The state of matter that has no definite shape, but has definite volume is
a. gas
b. solid
c. liquid
d. none of the above
27. Which of the following is matched correctly with its state of matter at
room temperature?
a. water - gas
b. gold - liquid
c. mercury - liquid
d. oxygen - solid
Use the equation below to answer question 28-31.
H2 + O2  H2O
28. This equation represents (a)
a. physical reaction
b. chemical reaction
c. evaporation
29. Which of the following is/are the reactant(s)?
a. H2O
b. H2 and O2
c. H and O
d. H2 only
30. The arrow in the equation means
a. "is equal to"
b. "yields"
c. "minus"
d. no change occurs.
31. Which of the following is a physical property of the product(s)?
a. It is a liquid.
b. It is flammable.
c. It's composed of hydrogen and oxygen.
d. It will react with sodium metal.
32. H2 and O2 are examples of
a. liquids
b. solutions
c. diatomic molecules
d. compounds
d. freezing
33. A students decides to make spaghetti in a metal pot. After boiling
the pasta for 15 minutes, they (foolishly) try to remove the pot
from the stove without pot-holders and burn their hands.
Which of the following physical characteristic of metals
explains why this happened?
a. Metals have luster.
b. Metals are good conductors of heat.
c. Metals are good conductors of electricity.
d. Metals are malleable.
34. Which of the following is a solution?
a. Soda
b. chocolate chip cookie
c. Pure Water
d. cereal in milk
35. After swimming in the ocean and resting on the beach, you are no longer
wet, but your skin has a salty film on it. This is an example of (a):
a. chemical change b. condensation c. evaporation
d. solubility
36. You add sugar to a glass of iced tea. The sugar "disappears", but the tea
tastes sweet. This is an example of (a)
a. chemical change b. condensation c. evaporation d. solubility
37. Which of the following indicates a chemical change to an antacid pill
(like TUMS)?
a. The pill neutralizes acids in the stomach to raise the pH.
b. The pill dissolves in water.
c. Cutting the pill into 2 pieces.
d. Mixing the pill in ice cream to make it easier to swallow.
38. A_____________ shows all states of matter of a substance and the
temperatures at which they change state.
a. equilibrium curve
b. evaporation curve
c. condensation diagram
d. heating curve
39. A_______________ is 2 or more different elements chemically
combined in a definite ratio.
a. mixture
b. compound
c. solution d. diatomic molecule
40. The freezing point of water is______ and its boiling point is_______.
a. 0oF; 100oF b. 100°C; 100oF c. 32°C; 100°C d. 0°C; 100°C
41. Which beaker(s) below are homogenous?
a. Beaker A
b. Beaker B c. Beakers B & C
d. Beakers A & D
42. Which beaker(s) below contain a heterogeneous mixture?
a. Beaker A
b. Beaker B
c. Beakers B & C
d. Beaker A & D
43. Which diagram(s) below represents a single type of element?
a. Diagram D
b. Diagram B
c. Diagram C and Diagram A
d. Diagram B and Diagram D
44. Which diagram(s) below represents heterogeneous matter?
a. Diagram A
b. Diagram A, Diagram B, and Diagram C
c. Diagram A and Diagram C
d. Diagram B and Diagram D
Use the Heating Curve below to answer questions 45 - 49.
45. From Point E to Point F, the substance is a
a. solid
b. liquid
c. gas
d. cannot be determined
46. What change of state is occurring if the substance is going from
point B to C?
a. melting
b. freezing
c. evaporation
d. condensation
47. What change of state is occurring if the substance is going from
point E to D?
a. melting
b. freezing
c. evaporation
d. condensation
48. The freezing point of this substance is
a. 0 °C
b. 50°C
c. 100°C
49. Melting point is the same as
a. freezing point
c. condensing point
d. cannot be determined
b. boiling point
d. what's the point?
50. My favorite subject is
a. Chemistry
(NO, there are NO other choices!)