Electricity Chemistry Flashcards

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:

A

Surfactants

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:

A

ammonia

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:

A

Salts

24
Q

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

A

5.5

25
Q

Cosmetic preparations made by dissolving a solid, liquid, or gas into another substance are called:

A

Solutions

26
Q

Substances used to coat droplets of oil in order to stabilize oil and keep them distributed evenly throughout the water base is a:

A

Elulison

27
Q

Which one of the following types of substances usually makes up the largest part of cosmetic products?

A

Vehicles

28
Q

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?

A

Electrode

29
Q

Which one of the following is a unit of electrical strength?

A

Ampere

30
Q

High frequency current used for facial treatments characterized by high rates of oscillation is known as:

A

Tesla

31
Q

Substances that resist the passage of an electric current are known as:

A

Insulator

32
Q

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?

A

faradic

33
Q

Which one of the following is the name of the instrument used to measure the rate of flow of an electric current?

A

milliamperemeter

34
Q

Which one of the following is a unit of electrical pressure?

A

Volt

35
Q

Which one of the following is the name of the constant low level and direct electric current used in a facial treatment?

A

galvanic

36
Q

During a facial treatment, the negative pole:

A

softens tissue

37
Q

Dehydrated skin appears as what color when examined under a Wood’s lamp?

A

Violet

38
Q

When using galvanic current machine, in order for ionization or iontophoresis to work properly, the cream or lotion applied on the face must be:

A

water soluble

39
Q

During a facial treatment, the positive pole of a galvanic current machine may be used on the skin to:

A

decreases redness caused by mild
acne

40
Q

Oily areas of the face appear as which of the following shades when viewed under a Wood’s lamp?

A

Yellow

41
Q

The facial treatment process that softens and liquefies accumulations of sebum in the follicle is known as:

A

iontophoresis

42
Q

During a facial treatment, the positive pole of the galvanic current machine may be used on the skin to:

A

produce an acid reaction

43
Q

During a facial treatment, the negative pole of the galvanic current machine may be used on the skin to:

A

Stimulate nerves

44
Q

When using a facial vaporizer during a facial treatment, the vapor should be set approximately how many inches from the skin?

A

16

45
Q

Which type of light rays are used in a salon to heat and relax the skin?

A

infra-red

46
Q

When two or more elements unite chemically, they form a:

A

Compound