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CF Ch 5 Chemistry
Pivot point Ch 5 Chemistry
Question | Answer |
---|---|
The term used to identify anything that occupies space is called: | matter |
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? | physical |
Atoms make up elements. Elements make up matter. Therefore, all matter is comprised of: | atoms |
All matter that is living or once was living contains carbon and deals with: | organic chemistry |
Basic substances that cannot be broken down into simpler substances are called: | elements |
Atoms that are the same, form a(n): | element |
Two or more atoms joined together by a chemical bond is a(n): | molecule |
When two hydrogen atoms combine with one oxygen atom, the result is water, which is called a(n): | compound |
Carbon, nitrogen, oxygen and hydrogen are the building blocks of: | amino acids |
What is created when amino acids join together in chains? | proteins |
What makes up the primary composition of hair? | keratin |
Which bonds found in the hair can be easily broken by heat or water? | hydrogen bonds |
The bonds found within hair that help organize protein chains in order to build hair are called: | side bonds |
What is the side bond that is of the greatest concern to the salon professional? | disulfide bond |
Which of the following statements describes how human hair is formed? | protein chains connect to other protein chains |
Substances of acidic or alkaline nature dissolve in water and/or contain: | water |
A solution that has more positive hydrogen ions than negative hydroxide ions is: | acidic |
A pH of 5 is how many more times acidic than a pH of 6? | 10 |
Distilled water with a pH of 7 is considered: | neutral |
In what pH range is skin and hair? | 4.5 to 5.5 |
In the process of making a cup of instant hot chocolate, what would the powdered chocolate represent? | solute |
A mixture of two or more kinds of molecules, evenly dispersed would be a(n): | solution |
A substance that is able to dissolve another substance is called a(n): | solvent |
The instructions on a product state to shake well before use, which indicates this product is probably a(n): | suspension |
What is formed when two or more non-mixable substances are united with the help of a binder? | emulsion |
Mixtures of organic substances and a medicinal agent are: | ointments |
Mixtures of fats and oils converted to fatty acids by heat and then purified, fall under which of the following classifications? | soaps |
Which of the following cosmetic classifications requires sifting until free of coarse, gritty particles? | powder |
Which of the following classifications would identify emulsions that are generally used by salon professionals? | oil-in-water emulsion |
Which of the following terms means non-mixable? | immiscible |
Cleaning the hair and scalp and removing all foreign matter without adversely affecting either the scalp or hair is called: | shampooing |
The primary ingredient of most shampoos is: | deionized water |
If water contains certain salts of calcium, magnesium and other metals, it is classified as: | hard water |
What is the name given to purifying water by passing it through a porous substance? | filtration |
Which of the following shampoo types is formulated to have the same pH as the hair and skin? | acid-balanced shampoo |
Which of the following shampoos would NOT be used for color-treated or damaged hair? | plain shampoo |
Which shampoo would most likely be used to remove product build-up? | clarifying shampoo |
Which shampoo would generally be recommended for an individual who is ill and bedridden? | powder dry shampoo |
Which of the following shampoo types is designed to treat scalp and hair problems or disorders? | medicated shampoo |
Which shampoo contains temporary color molecules that adhere to the hair and deposit color? | color shampoo |
Which conditioner will penetrate into the damaged hair shaft and deposit proteins into the cortex? | body-building conditioner |
The main ingredients found in most neutralizers are: | hydrogen peroxide, sodium perborate or sodium bromate |
The color molecules in permanent hair color enter the hair with the aid of: | an alkaline substance |
What occurs during oxidation? | a substance loses an electron and oxygen is acquired |
Oxidants, such as hydrogen peroxide, have the ability to release: | oxygen |
Which of the following components are contained within temporary colors? | certified colors |
Which term identifies the change assigned to an oxidative hair color procedure? | chemical change |
Ammonia, a colorless gas with a strong odor, is composed of hydrogen and: | 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? | hydrometer |
Which party is responsible for distribution of Material Safety Data Sheets? | manufacturer |
An example of a/an _____ is when atoms chemically combine to form compounds. | Chemical bond |
Following a sodium hydroxide procedure, additional chemical procedures that use thioglycolic acid: | May never be used |
When two or more kinds of substances combine physically it form a: | mixture |
What is the scientific study of matter and the physical changes in matter? | Chemistry |
What are the three main parts of an atom | proton, neutron, electron |
surfectant is also known as | surface active agent |
____ can change without involving a change in chemical composition | physical properties |
When a solute dissolves in a solvent it is | a solution |
What is the science of matter and its interactions with energy and itself? | Chemistry |
The backbone of protein bonds is the | peptide bonds |
The atomic number is the number of _____ found in the nucleus of an atom | Protons |
Polymers of amino acids covalently linked through peptide bonds inot a chain are | proteins |
The study of minerals involves | inorganic chemistry |
Ointments are mixtures of organic substances and are | medicinal |
redox is also known | oxidation-reduction |
The six general cosmetic classificaitons used in the cosmetology industry | are based on how well a substance combines with another substance |
Miscible liquids are capable of being | mixed together into a stable solution |
The shine or luster of hair is the | cosmetic apperance |
If an unstable atom merges with an atom of a dissimilar element, a/an ______ is products | Molecule |
How many common amino acids are there? | Twenty-two |
A pure substance is | mater not combined with materials of different chemical compositions |
A simple definition of oxidation is | The gaining of oxygen |
The science that deals with compounds lacking carbon is | inorganic chemistry |