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Beschreibung
Quiz von Cecilia Bui, aktualisiert more than 1 year ago
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Erstellt von Cecilia Bui
vor fast 8 Jahre
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Frage 1
Frage
Which state of matter is characterized by having a definite shape and a definite volume?
Antworten
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gas
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liquid only
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solid only
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both b and c
Frage 2
Frage
[blank_start]distillation[blank_end] - a process in which a liquid is boiled to produce a vapor that is condensed into a liquid
Antworten
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distillation
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mass
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chemical reaction
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compound
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element
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homogeneous
Frage 3
Frage
[blank_start]mass[blank_end] - amount of matter an object contains
Antworten
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mass
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chemical reaction
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compound
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distillation
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element
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homogeneous
Frage 4
Frage
[blank_start]compound[blank_end] - composed of two or more substances chemically combined in a fixed proportion
Antworten
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compound
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mass
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chemical reaction
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element
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homogeneous
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distillation
Frage 5
Frage
[blank_start]homogeneous[blank_end] - describes mixture with a uniform composition
Antworten
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homogeneous
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element
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compound
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distillation
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mass
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chemical reaction
Frage 6
Frage
[blank_start]element[blank_end] - substance that cannot be changed into simpler substances by chemical means
Antworten
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element
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compound
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homogeneous
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distillation
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mass
Frage 7
Frage
[blank_start]chemical reaction[blank_end] - process in which substances are changed into different substances
Antworten
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chemical reaction
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mass
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compound
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element
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homogeneous
Frage 8
Frage
[blank_start]vapor[blank_end] - gaseous state of substance that is a liquid or solid at room temperature
Antworten
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vapor
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product
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phase
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reactant
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heterogeneous mixture
Frage 9
Frage
[blank_start]reactant[blank_end] - starting substance in a chemical reaction
Antworten
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reactant
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product
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phase
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vapor
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mixture
Frage 10
Frage
[blank_start]product[blank_end] - a substance formed in a chemical reaction
Antworten
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product
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mixture
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vapor
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reactant
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heterogeneous mixture
Frage 11
Frage
[blank_start]mixture[blank_end] - a physical blend of two or more components
Antworten
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mixture
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vapor
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heterogeneous mixture
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product
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reactant
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phase
Frage 12
Frage
[blank_start]phase[blank_end] - part of a sample having uniform composition and properties
Antworten
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phase
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mixture
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reactant
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product
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vapor
Frage 13
Frage
[blank_start]heterogeneous mixture[blank_end] - not uniform in composition
Antworten
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heterogeneous mixture
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mixture
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product
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phase
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vapor
Frage 14
Frage
What do chemical symbols and formulas represent, respectively?
Antworten
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elements and ions
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compounds and mixtures
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elements and compounds
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atoms and mixtures
Frage 15
Frage
Which of the following represents a compound?
Antworten
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H2O
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H-3
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H
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O-16
Frage 16
Frage
Which state of matter expands when heated and is easy to compress?
Antworten
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gas
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liquid only
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solid only
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both b and c
Frage 17
Frage
which of the following may have more than one phase?
Antworten
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a pure liquid
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a heterogeneous mixture
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a pure solid
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a homogeneous mixture
Frage 18
Frage
The chemical symbol for iron is ___.
Antworten
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fe
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Fe
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FE
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Ir
Frage 19
Frage
Which of the following is a homogeneous mixture?
Antworten
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oil in vinegar
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pasta in water
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muddy water
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alcohol in water
Frage 20
Frage
In the chemical reaction in which sucrose is heated and decomposes to form carbon dioxide and water, which of the following is a reactant?
Antworten
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sucrose
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heat
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water
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carbon dioxide
Frage 21
Frage
An example of an extensive property of matter is
Antworten
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hardness
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temperature
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mass
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pressure
Frage 22
Frage
When an iron nail is ground into powder, its mass ___.
Antworten
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stays the same
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decreases
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increases
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cannot be determined
Frage 23
Frage
When paper turns yellow-brown upon exposure to sunlight, what type of change is likely taking place?
Antworten
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both a physical change and a chemical change
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a chemical change
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neither a physical change nor a chemical change
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a physical change
Frage 24
Frage
The chemical formula of a compound indicates?
Antworten
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the source of the elements in the compound
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the alchemy symbols for the elements in the compound
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how elements are joined in the compound to form crystal
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the relative proportions of the elements in the compound
Frage 25
Frage
Which of the following is a physical change?
Antworten
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rotting of food
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corrosion
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explosion
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evaporation
Frage 26
Frage
Which of the following processes involves a change in physical properties?
Antworten
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burning
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boiling
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fermenting
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rusting
Frage 27
Frage
Which of the following can be classified as a mixture?
Antworten
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pure gold
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pure air
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pure water
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pure nitrogen
Frage 28
Frage
Which of the following is a physical property?
Antworten
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ability to rust
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combustible
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explosive
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melting point
Frage 29
Frage
A chemical change occurs when a piece of wood
Antworten
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is painted
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decays
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is cut
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splits
Frage 30
Frage
What must occur for a change to be a chemical reaction?
Antworten
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There must be a change in physical properties.
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The change must involve a change in mass.
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There must be a change in composition which changes the chemical properties.
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The change must involve a change in volume.
Frage 31
Frage
What distinguished a substance from a mixture?
Antworten
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Samples of the same substances can have different intensive properties.
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Substances are compounds, and mixtures are not.
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Mixtures are groupings of elements, and compounds are not.
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The composition of substances cannot vary, while the composition of mixtures can.
Frage 32
Frage
Which of the following is a homogeneous mixture?
Antworten
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beef stew
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sand and water
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salt water
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soil
Frage 33
Frage
A substance that can be separated into two or more substances only by a chemical change is a(n) ___.
Antworten
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mixture
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element
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solution
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compound
Frage 34
Frage
Which of the following is a physical property of a substance in the liquid state?
Antworten
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definite shape
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definite volume
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not easily compressed
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indefinite
Frage 35
Frage
Which state off matter takes both the shape and volume of its container?
Antworten
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solid
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liquid only
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gas only
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both b and c
Frage 36
Frage
Which of the following involves a chemical change?
Antworten
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mixing
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decomposing
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melting
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grinding
Frage 37
Frage
Separating a solid from a liquid by evaporating the liquid is called ___.
Antworten
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filtration
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distillation
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condensation
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solution
Frage 38
Frage
Which of the following is a chemical property?
Antworten
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freezing point
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hardness
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color
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ability to react with oxygen
Frage 39
Frage
Which state of matter is characterized by having an indefinite shape, but a definite volume?
Antworten
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gas
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liquid only
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solid only
-
both b and c
Frage 40
Frage
What is one difference between a mixture and a compound?
Antworten
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A mixture must be uniform in composition.
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A mixture can only be separated into its components by chemical means.
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A compound consists of more than one phase.
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A compound can only be separated into its components by chemical means.
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