Electricity Chemistry Flashcards

(46 cards)

1
Q

The parts of the atom having a negative charge are the:

A

electrons

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2
Q

A substance made of two or more elements which combine physically rather than chemically is known as:

A

Mixture

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3
Q

The odor of a substance is an example of which type of property:

A

Physical

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4
Q

The lightest known element is:

A

Hydrogen

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5
Q

The relative density of a substance is also known as its:

A

specific gravity

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6
Q

The pH of the skin’s acid mantle ranges from:

A

4.5-6.0

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7
Q

A cosmetic solution containing a small quantity of solute in proportion to the solvent is called which type of solution?

A

Dilute

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8
Q

Permanent mixtures of two or more immiscible substances which are held in suspension with the aid of a binder are called:

A

emulsions

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9
Q

Substances such as glycerine that hold products together are known as:

A

Binders

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10
Q

Bases are also known as:

A

alkali

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11
Q

The specific gravity of a substance is also known as:

A

Relative density

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12
Q

The combustibility of a substance is an example of what type of property?

A

Chemical

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13
Q

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?

A

Saturated

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14
Q

Ingredients in cosmetic products that function to dissolve ingredients are known as:

A

Solvents

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15
Q

Which one of the following ingredients is also known as baking soda?

A

sodium bicarbonate

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16
Q

The relative density of a substance refers to the substances density relative to:

A

water

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17
Q

The colorless gaseous element which occupies about 4/5 of the air is:

A

Nitrogen

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18
Q

The pH of pure water is:

A

7.0

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19
Q

Ingredients in cosmetic products that function to let the products spread more easily are also known as:

20
Q

Which one of the following ingredients are commonly used in soaps and cosmetic creams is a strong alkaline?

A

potassium hydroxide

21
Q

Compounds consisting of hydrogen, a non-metal, and contains compounds of nitrogen are classified as:

22
Q

Which one of the following is a chemical property of matter:

A

combustibility

23
Q

Compounds formed by the reaction of an acid and a base are known as:

24
Q

The pH of the skin’s acid mantle is most accurately described as:

25
Cosmetic preparations made by dissolving a solid, liquid, or gas into another substance are called:
Solutions
26
Substances used to coat droplets of oil in order to stabilize oil and keep them distributed evenly throughout the water base is a:
Elulison
27
Which one of the following types of substances usually makes up the largest part of cosmetic products?
Vehicles
28
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
29
Which one of the following is a unit of electrical strength?
Ampere
30
High frequency current used for facial treatments characterized by high rates of oscillation is known as:
Tesla
31
Substances that resist the passage of an electric current are known as:
Insulator
32
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
33
Which one of the following is the name of the instrument used to measure the rate of flow of an electric current?
milliamperemeter
34
Which one of the following is a unit of electrical pressure?
Volt
35
Which one of the following is the name of the constant low level and direct electric current used in a facial treatment?
galvanic
36
During a facial treatment, the negative pole:
softens tissue
37
Dehydrated skin appears as what color when examined under a Wood's lamp?
Violet
38
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
39
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
40
Oily areas of the face appear as which of the following shades when viewed under a Wood's lamp?
Yellow
41
The facial treatment process that softens and liquefies accumulations of sebum in the follicle is known as:
iontophoresis
42
During a facial treatment, the positive pole of the galvanic current machine may be used on the skin to:
produce an acid reaction
43
During a facial treatment, the negative pole of the galvanic current machine may be used on the skin to:
Stimulate nerves
44
When using a facial vaporizer during a facial treatment, the vapor should be set approximately how many inches from the skin?
16
45
Which type of light rays are used in a salon to heat and relax the skin?
infra-red
46
When two or more elements unite chemically, they form a:
Compound