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Cosmetology - Basics Of Chemistry And Electricity

50 Questions
Cosmetology Quizzes & Trivia

This quiz is taken from the Milady's Standard Cosmetology Exam Review book.

Questions and Answers
  • 1. 
    • A. 

      Carbon

    • B. 

      Water

    • C. 

      Hydrogen

    • D. 

      Organisms

  • 2. 
    • A. 

      Pesticides

    • B. 

      Minerals

    • C. 

      Pure water

    • D. 

      Metals

  • 3. 
    Matter is any substance that:
    • A. 

      Occupies space

    • B. 

      Contains carbon

    • C. 

      Is soluble in water

    • D. 

      Is either a solid or a liquid

  • 4. 
    The particles from which all matter is composed are:
    • A. 

      Elemental molecules

    • B. 

      Compound molecules

    • C. 

      Atoms

    • D. 

      Chemical compunds

  • 5. 
    Two or more atoms of the same element that are united chemically form a/an:
    • A. 

      Elmental molecule

    • B. 

      Chemical compound

    • C. 

      Compound molecule

    • D. 

      State of matter

  • 6. 
    When water boils, it is changing from one state of matter to another, from:
    • A. 

      Liquid to gas

    • B. 

      Gas to liquid

    • C. 

      Solid to liquid

    • D. 

      Solid to gas

  • 7. 
    When a physical change occurs in a substance, there is:
    • A. 

      A change in physical properties

    • B. 

      No change in state of matter

    • C. 

      The formation of a new substance

    • D. 

      A chemical reaction

  • 8. 
    The action of permanent haircolor is an example of a:
    • A. 

      Physical change

    • B. 

      Temporary change

    • C. 

      Chemical change

    • D. 

      Change in state of matter

  • 9. 
    Water (H20) is an example of a/an:
    • A. 

      Chemical compound

    • B. 

      Element

    • C. 

      Physical misture

    • D. 

      Solution

  • 10. 
    Salt water and fruit salad are examples of a/an:
    • A. 

      Pure substance

    • B. 

      Physical mixture

    • C. 

      Chemical compound

    • D. 

      Element

  • 11. 
    A blended mixtue of two or more solids, liquids, or gases is a/an:
    • A. 

      Solution

    • B. 

      Suspension

    • C. 

      Emulsion

    • D. 

      Chemical compound

  • 12. 
    Liquids that can be mixed together in any proportion without separating are:
    • A. 

      Suspended

    • B. 

      Immiscible

    • C. 

      Emulsified

    • D. 

      Miscible

  • 13. 
    A substance that dissoves another substance to form a solution, with no change in chemical compostion, is a/an:
    • A. 

      Surfactant

    • B. 

      Solvent

    • C. 

      Emulsion

    • D. 

      Solute

  • 14. 
    A mixtue that must be shaken or mixed well before suing is a/an:
    • A. 

      Suspension

    • B. 

      Solution

    • C. 

      Oil-in-water emulsion

    • D. 

      Water-in-oil emulsion

  • 15. 
    Most of the emulsions used in a salon:
    • A. 

      Are water-in-oil emulsions

    • B. 

      Do not use surfactants

    • C. 

      Contain more oil than water

    • D. 

      Are oil-in-water emulsion

  • 16. 
    Emulsions are mixtures of two or more:
    • A. 

      Miscible substances

    • B. 

      Surfactants

    • C. 

      Immiscible substances

    • D. 

      Solutions

  • 17. 
    The head of a surfactant molecule is water-loving, or:
    • A. 

      Immiscible

    • B. 

      Hydrophilic

    • C. 

      Hydrophobic

    • D. 

      Lipophilic

  • 18. 
    Substances that are often used instead os ammonia in hair products because their odor is not as strong are:
    • A. 

      Silicone

    • B. 

      Alcohol

    • C. 

      Alkanolamines

    • D. 

      Glycerin

  • 19. 
    A colorless gas with a strong odor, composed of hydrogen and nitrogen, is:
    • A. 

      Glycerin

    • B. 

      Fatty alcohol

    • C. 

      Ammonia

    • D. 

      Hydrogen peroxide

  • 20. 
    In pure water, some of the molecules naturally ionize into hydrogen ions and:
    • A. 

      Nitrogen ions

    • B. 

      Peroxide ions

    • C. 

      Hydroxide ions

    • D. 

      Oxygen ions

  • 21. 
    PH is only possible because of the ionization of:
    • A. 

      Alcohol

    • B. 

      Water

    • C. 

      Oil

    • D. 

      Nonaqueous solutions

  • 22. 
    The pH scale measures:
    • A. 

      Acidity and alkalinity

    • B. 

      Melting point and boiling point

    • C. 

      Purity and hardness

    • D. 

      Weight and density

  • 23. 
    Solutions with a pH below 7.0 are:
    • A. 

      Neutral

    • B. 

      Alkaline

    • C. 

      Basic

    • D. 

      Acidic

  • 24. 
    Alkalis have a pH above 7.0 and:
    • A. 

      Taste sour

    • B. 

      Turn blue litmus paper red

    • C. 

      Soften and swell the hair

    • D. 

      Contract and harden the hair

  • 25. 
    The average pH of hair and skin is:
    • A. 

      Seven

    • B. 

      Five

    • C. 

      Three

    • D. 

      12

  • 26. 
    When a substance is combined with oxygen, the process is called:
    • A. 

      Oxidation

    • B. 

      Redox reaction

    • C. 

      Reduction

    • D. 

      Ionization

  • 27. 
    The chemical reaction in which hydrogen is added to a substance is:
    • A. 

      Oxidation

    • B. 

      Redox reaction

    • C. 

      Reductin

    • D. 

      Ionization

  • 28. 
    A substance that readily transmits electricity is a/an:
    • A. 

      Insulator

    • B. 

      Rectifier

    • C. 

      Converter

    • D. 

      Conductor

  • 29. 
    Rubber and silk are good:
    • A. 

      Insulators

    • B. 

      Circuit breakers

    • C. 

      Converters

    • D. 

      Conductors

  • 30. 
    A constant electrical current traveling in one direction only is called a/an:
    • A. 

      Alternating current

    • B. 

      Direct current

    • C. 

      Faradic current

    • D. 

      Sinusoidal current

  • 31. 
    A unit of electrical pressure is referred to as a/an:
    • A. 

      Volt

    • B. 

      Ohm

    • C. 

      Watt

    • D. 

      Ampere

  • 32. 
    An ampere (amp) is a unit of electrical:
    • A. 

      Strength

    • B. 

      Tension

    • C. 

      Resistance

    • D. 

      Usage

  • 33. 
    The amount of electrical energy that is being used in one second is measured in:
    • A. 

      Watts

    • B. 

      Amps

    • C. 

      Volts

    • D. 

      Ohms

  • 34. 
    A device that automatically interrupts or shuts off an electric circuit in the event of overload is the:
    • A. 

      Fuse

    • B. 

      Wall plate

    • C. 

      Circuit breaker

    • D. 

      Converter

  • 35. 
    Electronic facial treatments are known as:
    • A. 

      Electrotherapy

    • B. 

      Light therapy

    • C. 

      Hydrotherapy

    • D. 

      Shock therapy

  • 36. 
    The positive electrode of an electrotherapy device is called a/an:
    • A. 

      Plug

    • B. 

      Anode

    • C. 

      Wall plate

    • D. 

      Cathode

  • 37. 
    In electrotherapy, the cathode is:
    • A. 

      Usually red

    • B. 

      The negative electrode

    • C. 

      The positive electrode

    • D. 

      Marked with a plus (+) sign

  • 38. 
    A constant and direct current used to produce chemical effects on the tissues and fluids of the body is the:
    • A. 

      Sinusoidal current

    • B. 

      Faradic current

    • C. 

      Galvanic current

    • D. 

      Telsa current

  • 39. 
    An alternating and interruped current used to cause muscular contractions is the:
    • A. 

      Galvanic current

    • B. 

      High-frequency current

    • C. 

      Faradic current

    • D. 

      Tesla current

  • 40. 
    An electrical current used for its heat-producing effects is the:
    • A. 

      Sinusoidal current

    • B. 

      Galvanic current

    • C. 

      Faradic current

    • D. 

      High-frequency current

  • 41. 
    The anode (positive electrode) of a galvanic device:
    • A. 

      Expands blood vessels

    • B. 

      Opens the pores

    • C. 

      Contracts blood vessels

    • D. 

      Produces alkaline reactions

  • 42. 
    The cathode (negative electrode) of a galvanic device:
    • A. 

      Soothes nerves

    • B. 

      Closes the pores

    • C. 

      Stimulates the nerves

    • D. 

      Hardens and firms tissue

  • 43. 
    The process of softening and emulsifying oil deposits and blackheads in the follicles is:
    • A. 

      Cataphoresis

    • B. 

      Anaphoresis

    • C. 

      Desincrustation

    • D. 

      Iontophoresis

  • 44. 
    Visible light makes up _ % of natural sunlight.
    • A. 

      50

    • B. 

      5

    • C. 

      35

    • D. 

      65

  • 45. 
    Ultraviolet (UV) rays, also called cold rays or actinic rays, have short wavelengths and:
    • A. 

      Are the least penetrating rays

    • B. 

      Produce the most heat

    • C. 

      Are safe in large doese

    • D. 

      Have no germicidal effect

  • 46. 
    The invisible rays that produce the most heat are the:
    • A. 

      Ultraviolet rays

    • B. 

      Infrared rays

    • C. 

      Red light rays

    • D. 

      Actinic rays

  • 47. 
    It is estimated that _ Americans will develop skin cancer.
    • A. 

      1 in 5

    • B. 

      1 in 100

    • C. 

      1 in 1,000

    • D. 

      1 in 50

  • 48. 
    "Combination light" is also known as:
    • A. 

      White light

    • B. 

      Blue light

    • C. 

      Ultraviolet light

    • D. 

      Red light

  • 49. 
    The average distance you should place an infrared lamp from the skin is about:
    • A. 

      18"

    • B. 

      10"

    • C. 

      30"

    • D. 

      24"

  • 50. 
    A safety precaution you should always follow with electrical equipment is to:
    • A. 

      Step on electrical cords

    • B. 

      Use only one plug per outlet

    • C. 

      Handle equipment with wet hands

    • D. 

      Clean outlets with equipment plugged in