Chemistry and Electricity

1. A constant electrical current traveling in one direction only is called a/an:

Alternating current

Direct current

Faradic current

Sinusoidal current

2. The pH scale measures:

Acidity and alkalinity

Melting point and boiling point

Purity and hardness

Weight and density

3. Electronic facial treatments are known as:

Electrotherapy

Light therapy

Hydrotherapy

Shock therapy

4. When water boils, it is changing from one state of matter to another, from:

Liquid to gas

Gas to liquid

Solid to liquid

Solid to gas

5. Matter is any substance that:

Occupies space

Contains carbon

Is soluble in water

Is either a solid or a liquid

6. A safety precaution you should always follow with electrical equipment is to:

Step on electrical cords

Use only one plug per outlet

Handle equipment with wet hands

Clean outlets with equipment plugged in

7. Rubber and silk are good:

Insulators

Circuit breakers

Converters

Conductors

8. The average pH of hair and skin is:

Seven

Five

Three

12

9. Alkalis have a pH above 7.0 and:

Taste sour

Turn blue litmus paper red

Soften and swell the hair

Contract and harden the hair

10. The amount of electrical energy that is being used in one second is measured in:

Watts

Amps

Volts

Ohms

11. The action of permanent haircolor is an example of a:

Physical change

Temporary change

Chemical change

Change in state of matter

12. Substances that are often used instead os ammonia in hair products because their odor is not as strong are:

Silicone

Alcohol

Alkanolamines

Glycerin

13. When a substance is combined with oxygen, the process is called:

Oxidation

Redox reaction

Reduction

Ionization

14. A constant and direct current used to produce chemical effects on the tissues and fluids of the body is the:

Sinusoidal current

Faradic current

Galvanic current

Telsa current

15. The head of a surfactant molecule is water-loving, or:

Immiscible

Hydrophilic

Hydrophobic

Lipophilic

16. The cathode (negative electrode) of a galvanic device:

Soothes nerves

Closes the pores

Stimulates the nerves

Hardens and firms tissue

17. A colorless gas with a strong odor, composed of hydrogen and nitrogen, is:

Glycerin

Fatty alcohol

Ammonia

Hydrogen peroxide

18. Solutions with a pH below 7.0 are:

Neutral

Alkaline

Basic

Acidic

19. Salt water and fruit salad are examples of a/an:

Pure substance

Physical mixture

Chemical compound

Element

20. The particles from which all matter is composed are:

Elemental molecules

Compound molecules

Atoms

Chemical compunds

21. A device that automatically interrupts or shuts off an electric circuit in the event of overload is the:

Fuse

Wall plate

Circuit breaker

Converter

22. Organic chemistry is the study of substances containing:

Carbon

Water

Hydrogen

Organisms

23. A substance that readily transmits electricity is a/an:

Insulator

Rectifier

Converter

Conductor

24. The average distance you should place an infrared lamp from the skin is about:

18"

10"

30"

24"

25. In electrotherapy, the cathode is:

Usually red

The negative electrode

The positive electrode

Marked with a plus (+) sign

26. A substance that dissoves another substance to form a solution, with no change in chemical compostion, is a/an:

Surfactant

Solvent

Emulsion

Solute

27. Liquids that can be mixed together in any proportion without separating are:

Suspended

Immiscible

Emulsified

Miscible

28. When a physical change occurs in a substance, there is:

A change in physical properties

No change in state of matter

The formation of a new substance

A chemical reaction

29. It is estimated that _ Americans will develop skin cancer.

1 in 5

1 in 100

1 in 1,000

1 in 50

30. The positive electrode of an electrotherapy device is called a/an:

Plug

Anode

Wall plate

Cathode

31. An electrical current used for its heat-producing effects is the:

Sinusoidal current

Galvanic current

Faradic current

High-frequency current

32. A unit of electrical pressure is referred to as a/an:

Volt

Ohm

Watt

Ampere

33. PH is only possible because of the ionization of:

Alcohol

Water

Oil

Nonaqueous solutions

34. "Combination light" is also known as:

White light

Blue light

Ultraviolet light

Red light

35. The invisible rays that produce the most heat are the:

Ultraviolet rays

Infrared rays

Red light rays

Actinic rays

36. The process of softening and emulsifying oil deposits and blackheads in the follicles is:

Cataphoresis

Anaphoresis

Desincrustation

Iontophoresis

37. An ampere (amp) is a unit of electrical:

Strength

Tension

Resistance

Usage

38. Ultraviolet (UV) rays, also called cold rays or actinic rays, have short wavelengths and:

Are the least penetrating rays

Produce the most heat

Are safe in large doese

Have no germicidal effect

39. In pure water, some of the molecules naturally ionize into hydrogen ions and:

Nitrogen ions

Peroxide ions

Hydroxide ions

Oxygen ions

40. Emulsions are mixtures of two or more:

Miscible substances

Surfactants

Immiscible substances

Solutions

41. Example of organic substances include:

Pesticides

Minerals

Pure water

Metals

42. Visible light makes up _ % of natural sunlight.

50

5

35

65

43. Most of the emulsions used in a salon:

Are water-in-oil emulsions

Do not use surfactants

Contain more oil than water

Are oil-in-water emulsion

44. The anode (positive electrode) of a galvanic device:

Expands blood vessels

Opens the pores

Contracts blood vessels

Produces alkaline reactions

45. A mixtue that must be shaken or mixed well before suing is a/an:

Suspension

Solution

Oil-in-water emulsion

Water-in-oil emulsion

46. An alternating and interruped current used to cause muscular contractions is the:

Galvanic current

High-frequency current

Faradic current

Tesla current

47. Two or more atoms of the same element that are united chemically form a/an:

Elmental molecule

Chemical compound

Compound molecule

State of matter

48. Water (H20) is an example of a/an:

Chemical compound

Element

Physical misture

Solution

49. A blended mixtue of two or more solids, liquids, or gases is a/an:

Solution

Suspension

Emulsion

Chemical compound

50. The chemical reaction in which hydrogen is added to a substance is:

Oxidation

Redox reaction

Reductin

Ionization

Chemistry and Electricity

1. A constant electrical current traveling in one direction only is called a/an:

2.

What first name or nickname would you like us to use?

2. The pH scale measures:

3. Electronic facial treatments are known as:

4. When water boils, it is changing from one state of matter to another, from:

5. Matter is any substance that:

6. A safety precaution you should always follow with electrical equipment is to:

7. Rubber and silk are good:

8. The average pH of hair and skin is:

9. Alkalis have a pH above 7.0 and:

10. The amount of electrical energy that is being used in one second is measured in:

11. The action of permanent haircolor is an example of a:

12. Substances that are often used instead os ammonia in hair products because their odor is not as strong are:

13. When a substance is combined with oxygen, the process is called:

14. A constant and direct current used to produce chemical effects on the tissues and fluids of the body is the:

15. The head of a surfactant molecule is water-loving, or:

16. The cathode (negative electrode) of a galvanic device:

17. A colorless gas with a strong odor, composed of hydrogen and nitrogen, is:

18. Solutions with a pH below 7.0 are:

19. Salt water and fruit salad are examples of a/an:

20. The particles from which all matter is composed are:

21. A device that automatically interrupts or shuts off an electric circuit in the event of overload is the:

22. Organic chemistry is the study of substances containing:

23. A substance that readily transmits electricity is a/an:

24. The average distance you should place an infrared lamp from the skin is about:

25. In electrotherapy, the cathode is:

26. A substance that dissoves another substance to form a solution, with no change in chemical compostion, is a/an:

27. Liquids that can be mixed together in any proportion without separating are:

28. When a physical change occurs in a substance, there is:

29. It is estimated that _ Americans will develop skin cancer.

30. The positive electrode of an electrotherapy device is called a/an:

31. An electrical current used for its heat-producing effects is the:

32. A unit of electrical pressure is referred to as a/an:

33. PH is only possible because of the ionization of:

34. "Combination light" is also known as:

35. The invisible rays that produce the most heat are the:

36. The process of softening and emulsifying oil deposits and blackheads in the follicles is:

37. An ampere (amp) is a unit of electrical:

38. Ultraviolet (UV) rays, also called cold rays or actinic rays, have short wavelengths and:

39. In pure water, some of the molecules naturally ionize into hydrogen ions and:

40. Emulsions are mixtures of two or more:

41. Example of organic substances include:

42. Visible light makes up _ % of natural sunlight.

43. Most of the emulsions used in a salon:

44. The anode (positive electrode) of a galvanic device:

45. A mixtue that must be shaken or mixed well before suing is a/an:

46. An alternating and interruped current used to cause muscular contractions is the:

47. Two or more atoms of the same element that are united chemically form a/an:

48. Water (H20) is an example of a/an:

49. A blended mixtue of two or more solids, liquids, or gases is a/an:

50. The chemical reaction in which hydrogen is added to a substance is: