Pure Substances And Mixtures Review Question Preview (ID: 52859)
Use This Game To Review Important Concepts Of Pure Substances And Mixtures.
TEACHERS: click here for quick copy question ID numbers.
Homogenous mixtures have components that:
a) are evenly distributed throughout the mixture
b) are not evenly distributed throughout the mixture
c) are always elemental and pure
d) are always large enough to be seen with the naked eye
Compounds have a definite chemical composition that are identified by a:
a) their mass and volume
b) physical formula
c) chemical formula
d) their state of matter
Heterogeneous mixtures:
a) include solutions
b) have components that are evenly distributed throughout the mixture
c) always have particles that are so small they cannot be seen with the naked eye
d) have components that are not evenly distributed throughout the mixture
A compound is a pure substance that is composed of:
a) two or more substances bonded through a physical reaction that do not retain their own identifying properties
b) two or more substances bonded through a physical reaction that retain their own identifying properties
c) two or more substances bonded through a chemical reaction that retain their own identifying properties
d) two or more substances bonded through a chemical reaction that do not retain their own identifying properties
An element is a pure substance that is composed of only:
a) homogeneous mixtures
b) heterogeneous mixtures
c) only 1 atom
d) multiple atoms bonded together chemically
A mixture can be separated:
a) chemically
b) physically
c) by oxidation
d) by corrosion
Substances whose composition is always consistent is known as a:
a) pure substance
b) heterogeneous mixture
c) homogenous mixture
d) matter
Compounds can be decomposed into elements:
a) by evaporation
b) by sifting
c) by filtration
d) by chemical reactions
When matter is composed of two or more component substances which retain their own properties,
a) the matter is classified as a mixture
b) the matter is classified as a pure substance
c) the matter is classified as a compound
d) the matter is classified as an element
There are 2 types of pure substances:
a) elements and compounds
b) mixtures and compounds
c) homogeneous and heterogenous
d) mixtures and elements
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