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Basics of Chemistry and Electricity
Chapter 7
50
Cosmetology
Professional
08/16/2011

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Term
carbon
Definition
Organic chemistry is the study of substances containing:
Term
pesticides
Definition
Examples of organic substances include:
Term
occupies space
Definition
Matter is any substance that:
Term
atoms
Definition
The particles from which all matter composed are:
Term
elemental molecule
Definition
Two or more atoms of the same element that are united chemically form a/an:
Term
liquid to gas
Definition
When water boils, it is changing from one state of matter to another, from:
Term
a change in physical properties
Definition
When a physical change occurs in a substance, there is:
Term
chemical change
Definition
The action of permanent haircolor is an example of a:
Term
chemical compound
Definition
Water (H20)is an example of a/an:
Term
physical mixture
Definition
Salt water and fruit salad are examples of a/an:
Term
solution
Definition
A blended mixture of two or more soilds, liquids, or gases is a /an:
Term
miscible
Definition
Liquids that can be mixed together in any proportion without separating are:
Term
solvent
Definition
A substance that dissolves another substance to form a solution, with no change in chemical composition, is a/an:
Term
suspension
Definition
A mixture that must be shaked to mixed well before using is a/an:
Term
are oil-in-water emulsions
Definition
Most of the emulsions used in a salon:
Term
immiscible substances
Definition
Emulsions are mixtures of two or more:
Term
hydrophilic
Definition
The head of a surfactant molecule is water-loving, or:
Term
alkanolamines
Definition
Substances that are often used instead of ammonia in hair products because of their odor is not as strong are:
Term
ammonia
Definition
A colorless gas with a strong odor, composed of hydrogen and nitrogen, is:
Term
hydroxide ions
Definition
In pure water, some of the molecules naturally ionize into hydrogen ions and:
Term
water
Definition
pH is only possible because of the ionization of:
Term
acidity and alkalinity
Definition
The pH scale measures:
Term
acidic
Definition
A pH below 7 are:
Term
soften and swell the hair
Definition
Alkalis have a pH above 7 and:
Term
five
Definition
The average pH of the hair and skin is:
Term
oxidation
Definition
When a substance is combined with oxygen, the process is:
Term
reduction
Definition
The chemical reaction in which hydrogen is added to a substance is:
Term
conductor
Definition
A substance that readily transmits electricity is a/an:
Term
insulators
Definition
Rubber and silk are good:
Term
direct current
Definition
A constant electrical current traveling in one direction only is called a/an:
Term
volt
Definition
A unit of electrical pressure is referred to as a/an:
Term
strength
Definition
An ampere (amp) is a unit of electrical:
Term
watts
Definition
The amount of electricity that is being used in one second is measured in:
Term
circuit breaker
Definition
A device that automatically interrupts or shuts off an electric circuit in the event of overload is the:
Term
electrotherapy
Definition
Electronic facial treatments are known as:
Term
anode
Definition
The positive electrode of an electrotheraph device is called a/an:
Term
the negative electrode
Definition
In electrotherapy, the cathode is:
Term
galvanic current
Definition
A constant and direct current used to produce chemical effects on the tissues and fluids of the body is the:
Term
faradic current
Definition
An alternating and interrupted current used to cause muscular contractions is the:
Term
high-frequency current
Definition
An electrical current used for its hear-producing effects is the:
Term
contracts blood vessels
Definition
The anode (positive electrode) of the galvanic device:
Term
stimulates the nerves
Definition
The cathode (negative electrode) of galvanic device:
Term
desincrustation
Definition
The process of softening and emulsifying oil deposits and blackheads in the follicles is:
Term
35
Definition
Visible light makes up ___% of natural sunlight:
Term
are the least penetrating
Definition
Ultraviolent (UV) rays, also called cold rays or actenic rays, have short wavelengths and:
Term
infared rays
Definition
The invisible rays that produce the most heat are the:
Term
1 in 5
Definition
IT is estimated that ____ Americans will develope skin cancer:
Term
white light
Definition
"Combination light" is also known as:
Term
30"
Definition
The average distance you should place an infrared lamp from skin is:
Term
use only one plug per outlet
Definition
A safety precaution you should always follow with electrical equipment is to:
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