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Pivot Point Ch 5

Chemistry

QuestionAnswer
The term used to identify anything that occupies space is called: a. a gas b. matter c. a solid d. organic b. matter
Which of the following is NOT an example of a physical change? a. rusting of a nail b. performing a haircut c. shattering a piece of glass d. performing a thermal style a. rusting of a nail
Melting ice changes water from a solid to a liquid. Boiling water changes water from a liquid to a gas. These are examples of what type of change? a. physical b. chemical c. elemental d. molecular a. physical
Atoms make up elements. Elements make up matter. Therefore, all matter is comprised of: a. gases b. atoms c. carbon d. compounds b. atoms
All matter that is living or once was living contains carbon and deals with: a. physics b. anatomy c. organic chemistry d. inorganic chemistry c. organic chemistry
Basic substances that cannot be broken down into simpler substances are called: a. solids b. elements c. molecules d. compounds b. elements
Atoms that are the same form a (n): a. mixture b. element c. emulsion d. compound b. element
Two or more of the same atoms joined together by a chemical bond is a (n): a. protein b. neutron c. electron d. molecule d. molecule
When two hydrogen atoms combine with one oxygen atom, the result is water, which is called a (n): a. atom b. mixture c. element d. compound d. compound
Carbon, nitrogen, oxygen and hydrogen are the building blocks of: a. mixtures b. elements c. compounds d. amino acids d. amino acids
What is created when amino acids join together in chains? a. proteins b. elements c. chemicals d. compounds a. proteins
What makes up the primary compositin of hair? a. keratin b. protons c. electrons d. trace minerals a. keratin
Which bonds found in the hair can be easily broken by heat or water? a. salt bonds b. disulfide bonds c. hydrogen bonds d. van der Waal's Forces c. hydrogen bonds
The bonds found within hair that help organize protein chains in order to build hair are called: a. side bonds b. water bonds c. ionic bonds d. covalent bonds a. side bonds
What is the side bond that is of the greatest concern to the cosmetologist? a. salt bond b. disulfide bond c. hydrogen bond d. van der Waal's Forces b. disulfide bond
Which of the following statements describes how human hair is formed? a. salt bonds connect to amino acids b. hydrogen bonds create a chemical change c. amino acids cause a simple physical change d. protein chains connect to other protein chains d. protein chains connect to other protein chains
Substances of acidic or alkaline nature dissolve in water and/or contain: a. salt b. water c. carbon d. hydrogen b. water
A solution that has more positive hydrogen ions than negative hydroxide ions is: a. acidic b. neutral c. alkaline d. slightly alkaline a. acidic
A pH of 5 is how many more times acidic than a pH of 6? a. 1.5 b. 10 c. 100 d. 1,000 b. 10
All of the following statements regarding pH are true EXCEPT: a. pH measurement scale ranges from 0 to 14 b. a solution is acidic if it has more negative hydroxide ions c. solutions with equal hydrogen and hydroxide ions are neutral b. a solution is acidic if it has more negative hydroxide ions
Distilled water with a pH of 7 is considered: a. a salt b. neutral c. an acid d. an alkali b. neutral
In what pH range is skin and hair? a. 4.5 to 5.5 b. 6.5 to 7.0 c. 7.5 to 10.5 d. 11.5 to 12.0 a. 4.5 to 5.5
In the process of making a cup of instant hot chocolate, what would the powdered chocolate represent? a. solute b. solvent c. a dilute solution d. a concentrated solution a. solute
A mixture of two or more kinds of molecules, evenly dispersed would be a (n): a. solution b. emulsion c. suspension d. none of the above a. solution
A substance that is able to dissolve another substance is called a (n): a. solvent b. powder c. ointment d. emulsion a. solvent
Mixtures of organic substances and a medicinal agent are: a. solutions b. ointments c. emulsions d. suspensions b. ointments
What is formed when two or more non-mixable substances are united with the help of a binder? a. solution b. powder c. ointment d. emulsion d. emulsion
Mixtures of fats and oils converted to fatty acids by heat and then purified, fall under which of the following classifications? a. soaps b. powders c. ointments d. suspensions a. soaps
The instructions on a product state to shake well before use, which indicates this product is probably a (n): a. solution b. ointment c. emulsion d. suspension d. suspension
Which of the following cosmetic classifications requires sifting until free of coarse gritty particles? a. powder b. ointment c. emulsion d. suspension a. powder
Which of the following classifications would identify emulsions that are generally used by cosmetologists? a. deodorant b. loose particles c. oil-in-water emulsion d. water-in-oil emulsion c. oil-in-water emulsion
Which of the following terms means non-mixable? a. solvent b. solution c. miscible d. immiscible d. immiscible
Cleaning the hair and scalp and removing all foreign matter without adversely affecting either the scalp or hair is called: a. rinsing b. relaxing c. shampooing d. conditioning c. shampooing
The primary ingredient of most shampoos is: a. minerals b. conditioner c. dimethicones d. deionized water d. deionized water
Which of the following statements about surfactants is NOT true? a. contains a lipophilic part b. contains a hydrophilic part c. used to remove oil from the hair d. prevents shampoo from lathering d. prevents shampoo from lathering
If water contains certain salts of calcium, magnesium and other metals it is classified as: a. relaxing b. shampoo c. hard water d. filtered water c. hard water
What is the name given to purifying water by passing it through a porous substance? a. filtration b. emulsion c. hydrophilic d. sedimentation a. filtration
What is the pH of a client's natural hair that has been permed, colored, cut and styled properly with the past few months? a. 1.0 to 2.2 b. 2.5 to 3.5 c. 4.5 to 5.5 d. 7.0 to 8.2 c. 4.5 to 5.5
Which of the following shampoo types is formulated to have the same pH as the hair and skin? a. soapless shampoo b. clarifying shampoo c. all-purpose shampoo d. acid-balanced shampoo d. acid-balanced shampoo
Which of the following shampoos would NOT be used for color-treated or damaged hair? a. plain shampoo b. all-purpose shampoo c. non-stripping shampoo d. acid-balanced shampoo a. plain shampoo
Which shampoo would most likely be used to remove product build-up? a. clarifying shampoo b. powder dry shampoo c. conditioning shampoo d. thinning hair shampoo a. clarifying shampoo
Which shampoo would generally be recommended for an individial who is ill and bedridden? a. soapless shampoo b. liquid dry shampoo c. powder dry shampoo d. conditioning shampoo c. powder dry shampoo
Which of the following shampoo types is designed to treat scalp and hair problems or disorders? a. color shampoo b. medicated shampoo c. powder dry shampoo d. anti-dandruff shampoo b. medicated shampoo
Which shampoo contains temporary color molecules that adhere to the hair and deposit color? a. color shampoo b. soapless shampoo c. all-purpose shampoo d. acid-balanced shampoo a. color shampoo
Which conditioner will penetrate into the damaged hair shaft and deposit proteins into the cortex? a. instant conditiner b. normalizing conditioner c. moisturizing conditioner d. body-building conditioner d. body-building conditioner
Using a protein conditioner would help achieve all of the following results EXCEPT: a. fortify damaged areas b. increase new hair growth c. alter the way the hair behaves d. protect against further damage b. increase new hair growth
The main ingredients found in most neutralizers are: a. quats, disulfides, sodium hydroxide b. mineral water, wheat germ or dimethicones c. hydrogen peroxide, sodium perborate or sodium bromate d. hydrygen sulfide, thioglycolic acid or ammonium hydroxide c. hydrogen peroxide, sodium perborate or sodium bromate
The color molecules in permanent hair color enter the hair with the aid of: a. quats b. additional product c. an acid substance d. an alkaline substance d. an alkaline substance
What occurs during oxidation? a. ammonia acids form different proteins b. enzymes break down large molecules c. a substance gains an electron and oxygen is released d. a substance loses an electron and oxygen is acquired d. a substance loses an electron and oxygen is acquired
Oxidants, such as hydrogen peroxide, have the ability to release: a. sulfur b. oxygen c. nitrogen d. aluminum b. oxygen
Which of the following components are contained within temporary colors? a. peroxide b. developers c. certified colors d. oxidative colors c. certified colors
Which term below identifies the change assigned to an oxidative hair color procedure? a. carbon change b. oxygen change c. physical change d. chemical change d. chemical change
Ammonia, a colorless gas with a strong odor, is composed of hydrogen and: a. sulfur b. carbon c. sodium d. nitrogen d. nitrogen
What would be used to determine if a bottle of hydrogen peroxide is still potent if the purchase date was no longer on the label? a. pH scale b. lightener c. patch test d. hydrometer d. hydrometer
Who is the party responsible for distribution of Material Safety Data Sheets? a. salon b. manufacturer c. sales representative d. professional association b. manufacturer
Created by: lois100754