8th Grade Key Vocabulary --Classifying Matter Part 1 Question Preview (ID: 23104)
This Is Practice On Terms For Elements, Compounds Mixtures.
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When something is SOLUBLE
a) it easily dissolves in a liquid.
b) it doesn't dissolve in a liquid.
c) it is a rare element at room temperature.
d) it is a compound that is quite explosive.
Suspension is a mixture that is
a) a homogeneous and only one substance appears to be seen.
b) a heterogeneous mixture that separates into layers over time.
c) only separated by chemical means.
d) only found in elements.
Heterogeneous Mixtures are mixtures where
a) the substances in the mixture are spread evenly throughout, and only one substance appears to be seen.
b) two or more elements chemically combine in a fixed ratio.
c) the mixed substances are made of the same type of atoms.
d) parts of the mixture are noticeably different from one another; more than one substance in the mixture can be seen.
Solute is
a) the substance in which another substance dissolves in
b) a substance whose particles are dissolved in a solution
c) a substance which is made of the same type of atoms
d) a substance that forms when 2 or more elements chemically combine in a fixed ratio
Solution can be defined as
a) a mixture that forms when substances dissolve and form a homogeneous mixture
b) a mixture that forms when two solids (peas and carrots) are mixed together
c) when two or more elements chemically combine to form a third substance
d) a substance that has the same type of atoms spread evenly throughout the substance.
A homogeneous mixtures occur when
a) the substances in a mixture are easily seen.
b) the substances of the mixture settle at the bottom of a container.
c) the subtances of the mixture contain water.
d) the subtances of the mixture appear to contain one substance throughout the mixture.
What is a mixture?
a) Substance that has combined chemically in a fixed ratio.
b) Substances, such as silver and gold, that are made of the same type or types of elements.
c) Two or more substances having been mixed together, not chemically bonded, and can be separated
d) Only two substances that come together and combine chemically and cannot be easily separated.
Pure Substance--example
a) element
b) suspension
c) solution
d) colloid
Pure Substance--definition
a) substance that have been mixed together and can be easily separated
b) substance that can only be separated chemically
c) substances that are made of various elements or compounds that are physically mixed
d) substance made of mostly sand and rocks
When someting is INSOLUBLE
a) it easily dissolves in a liquid.
b) it doesn't dissolve in a liquid.
c) it is a rare element at room temperature.
d) it is a compound that is quite explosive.
Miscible can be defined as
a) when two liquids form a homogeneous solution when mixed together.
b) when two liquids form a hetereogeneous solution when mixed together.
c) when two or more elements chemically combine to form a third substance.
d) a substance that has the same type of atoms spread evenly throughout the substance.
Immiscible can be defined as
a) when two liquids form a homogeneous solution when mixed together.
b) when two liquids form a hetereogeneous solution when mixed together.
c) when two or more elements chemically combine to form a third substance.
d) a substance that has the same type of atoms spread evenly throughout the substance.
Filtration is a type of separation that
a) allows two substances to settle and separate by gravity.
b) is based on the substances boiling points.
c) is based on the size of a substances particles.
d) is based on the substances freezing points.
Distillation is a type of separation that
a) allows two substances to settle and separate by gravity.
b) is based on the substances boiling points.
c) is based on the size of a substances particles.
d) is based on the substances freezing points.
Decanting is a type of separation that
a) allows two substances to settle and separate by gravity.
b) is based on the substances boiling points.
c) is based on the size of a substances particles.
d) is based on the substances freezing points.
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