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Chapter 12

Cosmetolgy

QuestionAnswer
An elemental molecule is a molecule containing: two atoms of the same element in definite proportions a single atom two atoms of two different elements in definite proportions two atoms of the same element in indefinite proportions two or more atoms of the same element in definite proportions
A chemical combination of matter in definite (fixed) proportions is called a(n): physical mixture emulsion compound pure substance pure substance
The study of substances that contain carbon is called _____ chemistry. structural inorganic natural organic organic
The _____ is the substance that is dissolved into a solution. solvent surfactant emulsion solute solute
A(n) _____ is the basic unit of matter. proton molecule cell atom atom
Steam is an example of a: vapor liquid solid ion vapor
An oxidizing agent: transforms another element into oxygen absorbs oxygen releases oxygen transforms oxygen into another element releases oxygen
A(n) _____ is a chemical combination of two or more atoms in definite (fixed) proportions. cell ion element molecule molecule
Matter does NOT exist in which form? solid liquid gas energy energy
Which of the following, also called a base, is a compound that reacts with acids to form salts? alkali emulsifier anion cation alkali
A stable physical mixture of two or more substances is a(n): suspension solution element emulsion solution
Pure water has a pH of: 10 5 7 0 7
Which statement about surfactant molecules is correct? The head and tail are both hydrophilic The head is hydrophilic and the tail is lipophilic. The head is lipophilic and the tail is hydrophilic. The head and tail are both lipophilic. The head is hydrophilic and the tail is lipophilic.
A _____ is a physical combination of matter in any proportions. compound solvent pure substance physical mixture physical mixture
The rapid oxidation of a substance, accompanied by the production of heat and light, is called: combustion reduction emulsification ionization combustion
A(n) _____ is a substance that dissolves another substance to form a solution. solvent solute element emulsifier solvent
Which of the following is a colorless gas with a pungent odor composed of hydrogen and nitrogen? alkanolamine silicone glycerin ammonia ammonia
Which of the following is an example of a chemical property? glossiness solubility melting point ability of wood to burn ability of wood to burn
There are _____ naturally occurring elements. 79 118 131 98 98
The simplest form of chemical matter is a(n): atom cell element neutron element
Sodium hydroxide, commonly known as _____, is a very strong alkali used in chemical hair relaxers, callous softeners, and drain cleaners. hydrogen peroxide salt bleach lye lye
Which of the following is a special type of oil used in water-resistant lubricants for the skin? alkanolamine silicone glycerin ammonia silicone
Characteristics of matter that do not involve chemically changing a substance are called _____ properties. static primary physical chemical physical
Protons are subatomic particles with which type of charge? sometimes positive, sometimes negative positive neutral negative positive
A _____ is a substance that allows oil and water to mix, or emulsify. surfactant reducing agent solute solvent surfactant
When acids and alkalis are mixed together in equal proportions, they form: water salt carbon nitrogen water
Any substance that occupies space and has mass (weight) is considered: matter light energy carbon matter
Substances lacking the element _____ are classified as inorganic. carbon hydrogen silicon oxygen carbon
Created by: allisonnichole
 

 



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