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Pure Substances And Mixtures Review
Test Description: Use this game to review important concepts of Pure Substances and Mixtures.
Instructions: Answer all questions to get your test result.
1) Homogenous mixtures have components that:
A
are always large enough to be seen with the naked eye
B
are evenly distributed throughout the mixture
C
are not evenly distributed throughout the mixture
D
are always elemental and pure
2) Compounds have a definite chemical composition that are identified by a:
A
their state of matter
B
physical formula
C
their mass and volume
D
chemical formula
3) Heterogeneous mixtures:
A
always have particles that are so small they cannot be seen with the naked eye
B
have components that are not evenly distributed throughout the mixture
C
include solutions
D
have components that are evenly distributed throughout the mixture
4) A compound is a pure substance that is composed of:
A
two or more substances bonded through a physical reaction that retain their own identifying properties
B
two or more substances bonded through a chemical reaction that do not retain their own identifying properties
C
two or more substances bonded through a physical reaction that do not retain their own identifying properties
D
two or more substances bonded through a chemical reaction that retain their own identifying properties
5) An element is a pure substance that is composed of only:
A
homogeneous mixtures
B
heterogeneous mixtures
C
multiple atoms bonded together chemically
D
only 1 atom
6) A mixture can be separated:
A
chemically
B
by corrosion
C
physically
D
by oxidation
7) Substances whose composition is always consistent is known as a:
A
pure substance
B
matter
C
homogenous mixture
D
heterogeneous mixture
8) Compounds can be decomposed into elements:
A
by evaporation
B
by chemical reactions
C
by filtration
D
by sifting
9) When matter is composed of two or more component substances which retain their own properties,
A
the matter is classified as a compound
B
the matter is classified as an element
C
the matter is classified as a pure substance
D
the matter is classified as a mixture
10) There are 2 types of pure substances:
A
mixtures and compounds
B
elements and compounds
C
homogeneous and heterogenous
D
mixtures and elements
*select an answer for all questions
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