Chemistry /Cosmetology: Chapter 12: Basics of Chemistry Part 2
Calamine lotion is an example of: A. emulsion B. mixture C. solution D. suspension
D. Suspension
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Key Terms
Term
Definition
Calamine lotion is an example of:
A. emulsion B. mixture C. solution D. suspension
D. Suspension
Water-in-oil emulsions feel _________ than oil-in-water emulsions.
A. greasier B. hotter C. wetter D. colder
A. Greasier
A common use of ______ is raising the pH in hair products to allow the solution to penetrate the hair shaft.
A. amino acid B. ammonia C. alkaline solution D. alpha hydroxy acids
B. Ammonia
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Volatile organic compounds contain _______ and evaporate very easily.
A. carbon B. hydrogen C. oxygen D. nitrogen
A. Carbon
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What type of products has no pH?
A. haircolor B. relaxers C. shampoos D. oils
D. Oils
The chemical reaction that combines a substance with oxygen to produce oxide is:
A. combustion B. oxidation C. ionization D. reduction
B. Oxidation
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| Term | Definition |
|---|---|
Calamine lotion is an example of:
A. emulsion B. mixture C. solution D. suspension | D. Suspension |
Water-in-oil emulsions feel _________ than oil-in-water emulsions.
A. greasier B. hotter C. wetter D. colder | A. Greasier |
A common use of ______ is raising the pH in hair products to allow the solution to penetrate the hair shaft.
A. amino acid B. ammonia C. alkaline solution D. alpha hydroxy acids | B. Ammonia |
Volatile organic compounds contain _______ and evaporate very easily.
A. carbon B. hydrogen C. oxygen D. nitrogen | A. Carbon |
What type of products has no pH?
A. haircolor B. relaxers C. shampoos D. oils | D. Oils |
The chemical reaction that combines a substance with oxygen to produce oxide is:
A. combustion B. oxidation C. ionization D. reduction | B. Oxidation |
The term logarithm means multiples of:
A. 5 B. 10 C. 100 D. 1000 | B. 10 |
The process through which oxygen is subtracted or hydrogen is added to a substance via a chemical reaction is:
A. reduction B. oxidation C. ionization D. combustion | A. Reduction |
Any substance that occupies space and has mass is:
A. an atom B. an element C. matter D. a reaction | C. Matter |
Characteristics that can only be determined by a chemical change in the substance are:
A. chemical properties B. elemental properties C. molecular properties D. physical properties | A. Chemical properties |
A chemical combination of matter in definite proportions is a:
A. atomic substance B. combined substance C. miscible substance D. pure substance | D. Pure substance |
A physical combination of matter in any proportions is a:
A. chemical mixture B. combined mixture C. physical mixture D. pure mixture | C. Physical mixture |
The ______ is the smallest chemical component of an element.
A. anion B. atom C. cation D. molecule | B. Atom |
Rapid oxidation of a substance, accompanied by the production of heat and light, is:
A. reduction B. emulsification C. ionization D. combustion | D. Combustion |
Characteristics that can be determined without a chemical reaction and that do not involve a chemical change in the substances are:
A. chemical properties B. elemental properties C. molecular properties D. physical properties | D. Physical properties |
The oxidation of haircolor is an example of physical change. | False |
All haircolor products are organic chemicals. | True |
Cold cream is an example of oil-in-water emulsion of two immiscible liquids. | False |
Most organic substances do not burn because they do not contain carbon. | False |
Rapid oxidation of a substance, accompanied by the production of heat and light, is:
A. reduction B. emusification C. ionization D. combustion | D. Combustion |