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Section 14.3- Quiz: Chemical Use

10 Questions
Section 14.3- Quiz: Chemical Use

Section 14. 3- Quiz: Chemical Use

Questions and Answers
  • 1. 
    Laundry operations often add alkalies in the wash water to make detergents more effective in cleaning linens. However, if alkalies remain in the fabric after washing and ironing, fibers can be damaged and linens could yellow and fade. Which of the following chemicals are used near the end of the wash cycle to neutralize any residual alkalinity in fabrics?
    • A. 

      Fabric softeners

    • B. 

      Antichlors

    • C. 

      Sours

    • D. 

      Starches

  • 2. 
    Which of the following chemicals used in laundry operations helps detergents lather better and keep stains suspended in the wash water after they have been loosened and lifted from the fabric?
    • A. 

      Bleaches

    • B. 

      Sours

    • C. 

      Anticlors

    • D. 

      Alkalies

  • 3. 
    Which of the following chemicals are used in laundry operations specifically to prevent the growth of bacteria and fungus on linens?
    • A. 

      Bleaches

    • B. 

      Mildewcides

    • C. 

      Sours

    • D. 

      Detergents

  • 4. 
    Which of the following statements about bleaches used in the wash cycle of the laundry operation is false?
    • A. 

      Chlorine bleach can be used for any washable, natural, colorfast fiber.

    • B. 

      Chlorine bleach is milder than oxygen bleach.

    • C. 

      Oxygen bleach works best in hot water and on organic stains.

    • D. 

      Oxygen bleach should never be used with chlorine bleach.

  • 5. 
    Which of the following statements about detergents used in laundry operations is false?
    • A. 

      Neutral or pure soaps are used primarily for heavy soiled fabrics.

    • B. 

      Alkalies are often added to syntheticdetergents to soften water and remove oils and grease.

    • C. 

      Hard water reduces a detergents cleaning ability.

    • D. 

      Sours destroy soaps.

  • 6. 
    List the type of chemical described in questions 6 through 10. Help detergents lather better and keep stains suspended in the wash water.
    • A. 

      Alkalies

    • B. 

      Bleach

    • C. 

      Sours

    • D. 

      Mildewcides

    • E. 

      Antichlors

  • 7. 
    List the type of chemical described in questions 6 through 10. Help remove stains, kill bacteria, and whiten fabrics.
    • A. 

      Alkalies

    • B. 

      Bleach

    • C. 

      Sours

    • D. 

      Mildewcides

    • E. 

      Antichlors

  • 8. 
    List the type of chemical described in questions 6 through 10. Mild acid used to neutralize any residual alkalinity in fabrics after washing and rinsing.
    • A. 

      Alkalies

    • B. 

      Bleach

    • C. 

      Sours

    • D. 

      Mildewcides

    • E. 

      Antichlors

  • 9. 
    List the type of chemical described in questions 6 through 10. Prevent the growth of bacteria and fungus on linens for up to 30 days.
    • A. 

      Alkalies

    • B. 

      Bleach

    • C. 

      Sours

    • D. 

      Mildewcides

    • E. 

      Antichlors

  • 10. 
    List the type of chemical described in questions 6 through 10. Used in rinsing to ensure that all the chlorine in the bleach has been removed.
    • A. 

      Alkalies

    • B. 

      Bleach

    • C. 

      Sours

    • D. 

      Mildewcides

    • E. 

      Antichlors

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