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A combination of substances that are held together by physical rather than chemical ties is called a:
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What type of change occurs when ice melts and becomes water?
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Final Exam Part 1

Study Guide Part 1: Chemistry

QuestionAnswer
A combination of substances that are held together by physical rather than chemical ties is called a: Mixture
What type of change occurs when ice melts and becomes water? Physical
If a product has a pH of 8.9, it is considered: Alkaline
A special type of oil used in nail polish dryers and as a skin protectant is: Silicone
There are about _________________ naturally occuring elements, each with its own distinctive physical and chemical properties. 90
Pure water with a pH of 7 is considered to be: Neutral
The separating of a substance into ions is known as____________. Ionization
When fermented to make wine, the sugar in grapes is converted into: Ethyl Alcohol
Liquids that mix easily are known as: Miscible
In creating a solution, the liquid used to dissolve a substance is called the: Solvent
A molecule is formed by joining two or more ___________ chemically. Atoms
An alteration of the properties of a substance without the formation of a new substance is a: Physical Change
The tail of a surfactant molecule is ______________, meaning oil-loving Lipophillic
A preparation made by dissolving a solid, liquid, or gaseous substance in another substance is: A Solution
______________ are substances used to neutralize acids or raise the pH of many hair products. Alkanolamines
A permanent mixture of two or more substances that are united with the aid of a binder is: An emulsion
Temporary mixtures of two kinds of matter are: Suspensions
Organic Chemistry is the study of all substances containing: Carbon
Substances that act as a bridge to allow oil and water to mix or emulsify are: Surfactants
The branch of Chemistry which deals with products that do not contain carbon is called: Inorganic Chemistry
 

 



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