Why Study?
An understanding of chemistry will enable barbers to use products ___ and ___.
The term organic applies to all living things and those things that were once __
alive
The path of an electric current from the generating source through conductors and back to its original source
complete electric circuit
Acidic solutions on the pH scale range up to
below 7
This spectrum refers to all of the forms of energy or radiation that exist.
Electromagnetic spectrum (of radiation)
Barbers will learn some important safety precautions regarding the use of __ in the barbershop
electricity
This property can be determined without a chemical reaction and that do not involve a chemical change in the substance.
Physical properties
This apparatus changes DC to AC.
Converter
Dry or powder shampoos can be used when the client's ___ or condition will not permit for a wet shampoo
health
Long wavelength have ___ frequency
low
One of the most important uses of chemical in the barbershop is the application of __ and ___ to maintain an effective infection control program.
cleaners and disinfectants
The change in the chemical composition or make up of a substance, as in the iron-to-rust example.
Chemical change
This apparatus is found within a power supply or adapter that converts AC to DC.
Rectifier
This type of shampoo are created by combing the surfactant with basic colors.
Color-enhancing shampoos
Within the visible spectrum of light, which color has the shortest wavelength
violet
Barbers must understand chemical preparation and their effects on __ and ___ will help you select the best products to achieve the desired outcome.
hair and skin
Oxidation and reduction always occur simultaneously and is referred to as:
redox
This unit of measurement is measured at 1/1000th of an ampere
milliampere
This shampoo contains antifungal agents such as pyrithione zinc, selenium sulfide, or ketoconazole, which help control dandruff.
Medicated shampoo
UV light makes up _% of natural sunlight
5
____ repaired tools and appliances can result in blown circuit breakers, electrical outlets, shocks, fires and personal injury
Improperly
Bases and also know as:
Alkalis
The electricity in a house is measured in __
kilowatt-hours (kWh)
Most conditioners contain a large amount of __ material and small amount of surfactant.
fatty
The term LED is abbreviated for?
Light emitting diodes