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Pure Substances & Mixtures
Transcript of Pure Substances & Mixtures
A pure substance has a definite chemical and physical property.
Examples of pure substances are water, gold, and carbon.
A mixture is a combination of two or more pure substances that are not chemically combined.
Examples of mixtures are fruit salad, sand and water, & sugar and salt.
This type of mixture is made of different substances that remain physically separate.
A mixture of sand and sugar is a heterogeneous mixture.
A substance can be considered a homogeneous mixture if it contains only one kind of compound or one element.
Examples of homogeneous mixtures are soapy water, salty water, & orange juice.
Cookies and ice cream would be classified as...
A. a homogenous mixture.
B. a heterogeneous mixture
C. an element
D. a compound
A glass of Kool Aid would be classified as...
A. a homogeneous mixture
B. a compound
C. an element
D. a heterogeneous
Two substances physically combined and that appears the same throughout is classified as
A. a homogeneous
B. an element
C. a compound
D. a heterogeneous mixture.