Electricity Chemistry Flashcards
The parts of the atom having a negative charge are the:
electrons
A substance made of two or more elements which combine physically rather than chemically is known as:
Mixture
The odor of a substance is an example of which type of property:
Physical
The lightest known element is:
Hydrogen
The relative density of a substance is also known as its:
specific gravity
The pH of the skin’s acid mantle ranges from:
4.5-6.0
A cosmetic solution containing a small quantity of solute in proportion to the solvent is called which type of solution?
Dilute
Permanent mixtures of two or more immiscible substances which are held in suspension with the aid of a binder are called:
emulsions
Substances such as glycerine that hold products together are known as:
Binders
Bases are also known as:
alkali
The specific gravity of a substance is also known as:
Relative density
The combustibility of a substance is an example of what type of property?
Chemical
A cosmetic solution that will not dissolve or take up more of the solute it already holds at a given temperature is classified as which type of solution?
Saturated
Ingredients in cosmetic products that function to dissolve ingredients are known as:
Solvents
Which one of the following ingredients is also known as baking soda?
sodium bicarbonate
The relative density of a substance refers to the substances density relative to:
water
The colorless gaseous element which occupies about 4/5 of the air is:
Nitrogen
The pH of pure water is:
7.0
Ingredients in cosmetic products that function to let the products spread more easily are also known as:
Surfactants
Which one of the following ingredients are commonly used in soaps and cosmetic creams is a strong alkaline?
potassium hydroxide
Compounds consisting of hydrogen, a non-metal, and contains compounds of nitrogen are classified as:
ammonia
Which one of the following is a chemical property of matter:
combustibility
Compounds formed by the reaction of an acid and a base are known as:
Salts
The pH of the skin’s acid mantle is most accurately described as:
5.5
Cosmetic preparations made by dissolving a solid, liquid, or gas into another substance are called:
Solutions
Substances used to coat droplets of oil in order to stabilize oil and keep them distributed evenly throughout the water base is a:
Elulison
Which one of the following types of substances usually makes up the largest part of cosmetic products?
Vehicles
Which one of the following is the name of an electrical device that serves as a conductor and applicator of electricity to certain areas of the body?
Electrode
Which one of the following is a unit of electrical strength?
Ampere
High frequency current used for facial treatments characterized by high rates of oscillation is known as:
Tesla
Substances that resist the passage of an electric current are known as:
Insulator
Which one of the following is the name of the alternating, interrupting electric current used for certain facial treatments that produce a mechanical reaction without a chemical effect?
faradic
Which one of the following is the name of the instrument used to measure the rate of flow of an electric current?
milliamperemeter
Which one of the following is a unit of electrical pressure?
Volt
Which one of the following is the name of the constant low level and direct electric current used in a facial treatment?
galvanic
During a facial treatment, the negative pole:
softens tissue
Dehydrated skin appears as what color when examined under a Wood’s lamp?
Violet
When using galvanic current machine, in order for ionization or iontophoresis to work properly, the cream or lotion applied on the face must be:
water soluble
During a facial treatment, the positive pole of a galvanic current machine may be used on the skin to:
decreases redness caused by mild
acne
Oily areas of the face appear as which of the following shades when viewed under a Wood’s lamp?
Yellow
The facial treatment process that softens and liquefies accumulations of sebum in the follicle is known as:
iontophoresis
During a facial treatment, the positive pole of the galvanic current machine may be used on the skin to:
produce an acid reaction
During a facial treatment, the negative pole of the galvanic current machine may be used on the skin to:
Stimulate nerves
When using a facial vaporizer during a facial treatment, the vapor should be set approximately how many inches from the skin?
16
Which type of light rays are used in a salon to heat and relax the skin?
infra-red
When two or more elements unite chemically, they form a:
Compound
