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Ch. 2 Test

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10th grade Chemistry Quiz on Ch. 2 Test, created by Cecilia Bui on 09/01/2017.
Cecilia Bui
Quiz by Cecilia Bui, updated more than 1 year ago
Cecilia Bui
Created by Cecilia Bui over 7 years ago
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Resource summary

Question 1

Question
Which state of matter is characterized by having a definite shape and a definite volume?
Answer
  • gas
  • liquid only
  • solid only
  • both b and c

Question 2

Question
[blank_start]distillation[blank_end] - a process in which a liquid is boiled to produce a vapor that is condensed into a liquid
Answer
  • distillation
  • mass
  • chemical reaction
  • compound
  • element
  • homogeneous

Question 3

Question
[blank_start]mass[blank_end] - amount of matter an object contains
Answer
  • mass
  • chemical reaction
  • compound
  • distillation
  • element
  • homogeneous

Question 4

Question
[blank_start]compound[blank_end] - composed of two or more substances chemically combined in a fixed proportion
Answer
  • compound
  • mass
  • chemical reaction
  • element
  • homogeneous
  • distillation

Question 5

Question
[blank_start]homogeneous[blank_end] - describes mixture with a uniform composition
Answer
  • homogeneous
  • element
  • compound
  • distillation
  • mass
  • chemical reaction

Question 6

Question
[blank_start]element[blank_end] - substance that cannot be changed into simpler substances by chemical means
Answer
  • element
  • compound
  • homogeneous
  • distillation
  • mass

Question 7

Question
[blank_start]chemical reaction[blank_end] - process in which substances are changed into different substances
Answer
  • chemical reaction
  • mass
  • compound
  • element
  • homogeneous

Question 8

Question
[blank_start]vapor[blank_end] - gaseous state of substance that is a liquid or solid at room temperature
Answer
  • vapor
  • product
  • phase
  • reactant
  • heterogeneous mixture

Question 9

Question
[blank_start]reactant[blank_end] - starting substance in a chemical reaction
Answer
  • reactant
  • product
  • phase
  • vapor
  • mixture

Question 10

Question
[blank_start]product[blank_end] - a substance formed in a chemical reaction
Answer
  • product
  • mixture
  • vapor
  • reactant
  • heterogeneous mixture

Question 11

Question
[blank_start]mixture[blank_end] - a physical blend of two or more components
Answer
  • mixture
  • vapor
  • heterogeneous mixture
  • product
  • reactant
  • phase

Question 12

Question
[blank_start]phase[blank_end] - part of a sample having uniform composition and properties
Answer
  • phase
  • mixture
  • reactant
  • product
  • vapor

Question 13

Question
[blank_start]heterogeneous mixture[blank_end] - not uniform in composition
Answer
  • heterogeneous mixture
  • mixture
  • product
  • phase
  • vapor

Question 14

Question
What do chemical symbols and formulas represent, respectively?
Answer
  • elements and ions
  • compounds and mixtures
  • elements and compounds
  • atoms and mixtures

Question 15

Question
Which of the following represents a compound?
Answer
  • H2O
  • H-3
  • H
  • O-16

Question 16

Question
Which state of matter expands when heated and is easy to compress?
Answer
  • gas
  • liquid only
  • solid only
  • both b and c

Question 17

Question
which of the following may have more than one phase?
Answer
  • a pure liquid
  • a heterogeneous mixture
  • a pure solid
  • a homogeneous mixture

Question 18

Question
The chemical symbol for iron is ___.
Answer
  • fe
  • Fe
  • FE
  • Ir

Question 19

Question
Which of the following is a homogeneous mixture?
Answer
  • oil in vinegar
  • pasta in water
  • muddy water
  • alcohol in water

Question 20

Question
In the chemical reaction in which sucrose is heated and decomposes to form carbon dioxide and water, which of the following is a reactant?
Answer
  • sucrose
  • heat
  • water
  • carbon dioxide

Question 21

Question
An example of an extensive property of matter is
Answer
  • hardness
  • temperature
  • mass
  • pressure

Question 22

Question
When an iron nail is ground into powder, its mass ___.
Answer
  • stays the same
  • decreases
  • increases
  • cannot be determined

Question 23

Question
When paper turns yellow-brown upon exposure to sunlight, what type of change is likely taking place?
Answer
  • both a physical change and a chemical change
  • a chemical change
  • neither a physical change nor a chemical change
  • a physical change

Question 24

Question
The chemical formula of a compound indicates?
Answer
  • the source of the elements in the compound
  • the alchemy symbols for the elements in the compound
  • how elements are joined in the compound to form crystal
  • the relative proportions of the elements in the compound

Question 25

Question
Which of the following is a physical change?
Answer
  • rotting of food
  • corrosion
  • explosion
  • evaporation

Question 26

Question
Which of the following processes involves a change in physical properties?
Answer
  • burning
  • boiling
  • fermenting
  • rusting

Question 27

Question
Which of the following can be classified as a mixture?
Answer
  • pure gold
  • pure air
  • pure water
  • pure nitrogen

Question 28

Question
Which of the following is a physical property?
Answer
  • ability to rust
  • combustible
  • explosive
  • melting point

Question 29

Question
A chemical change occurs when a piece of wood
Answer
  • is painted
  • decays
  • is cut
  • splits

Question 30

Question
What must occur for a change to be a chemical reaction?
Answer
  • There must be a change in physical properties.
  • The change must involve a change in mass.
  • There must be a change in composition which changes the chemical properties.
  • The change must involve a change in volume.

Question 31

Question
What distinguished a substance from a mixture?
Answer
  • Samples of the same substances can have different intensive properties.
  • Substances are compounds, and mixtures are not.
  • Mixtures are groupings of elements, and compounds are not.
  • The composition of substances cannot vary, while the composition of mixtures can.

Question 32

Question
Which of the following is a homogeneous mixture?
Answer
  • beef stew
  • sand and water
  • salt water
  • soil

Question 33

Question
A substance that can be separated into two or more substances only by a chemical change is a(n) ___.
Answer
  • mixture
  • element
  • solution
  • compound

Question 34

Question
Which of the following is a physical property of a substance in the liquid state?
Answer
  • definite shape
  • definite volume
  • not easily compressed
  • indefinite

Question 35

Question
Which state off matter takes both the shape and volume of its container?
Answer
  • solid
  • liquid only
  • gas only
  • both b and c

Question 36

Question
Which of the following involves a chemical change?
Answer
  • mixing
  • decomposing
  • melting
  • grinding

Question 37

Question
Separating a solid from a liquid by evaporating the liquid is called ___.
Answer
  • filtration
  • distillation
  • condensation
  • solution

Question 38

Question
Which of the following is a chemical property?
Answer
  • freezing point
  • hardness
  • color
  • ability to react with oxygen

Question 39

Question
Which state of matter is characterized by having an indefinite shape, but a definite volume?
Answer
  • gas
  • liquid only
  • solid only
  • both b and c

Question 40

Question
What is one difference between a mixture and a compound?
Answer
  • A mixture must be uniform in composition.
  • A mixture can only be separated into its components by chemical means.
  • A compound consists of more than one phase.
  • A compound can only be separated into its components by chemical means.
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