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How to dye fabric naturally - Exam
Contributed by: Sadler
  • 1. Which of these is NOT a common natural dye source?
A) Onion skins
B) Turmeric
C) Acrylic paint
D) Avocado pits
  • 2. What is a mordant used for in natural dyeing?
A) To make the fabric softer
B) To bleach the fabric
C) To waterproof the fabric
D) To help the dye bind to the fabric
  • 3. Which of these is a common mordant?
A) Alum
B) Vinegar
C) Sugar
D) Baking soda
  • 4. Which fiber dyes best with natural dyes?
A) Polyester
B) Rayon
C) Nylon
D) Natural fibers like cotton or wool
  • 5. What color does madder root typically produce?
A) Blue
B) Red
C) Yellow
D) Green
  • 6. What part of the avocado creates a pink or light red dye?
A) The skin
B) The leaves
C) The pit
D) The flesh
  • 7. What color do onion skins typically produce?
A) Yellow or orange
B) Pink
C) Purple
D) Green
  • 8. What should you do to fabric before dyeing?
A) Scour it to remove any finishes
B) Starch it
C) Spray it with hairspray
D) Iron it
  • 9. What does 'WOF' stand for in dyeing?
A) Wash on Fabric
B) Width of Fabric
C) Water on Fabric
D) Weight of Fabric
  • 10. Which flower is known for producing a natural blue dye?
A) Sunflower
B) Indigo
C) Tulip
D) Rose
  • 11. Why is it important to use gloves and eye protection when dyeing?
A) To prevent the dye from affecting your clothing
B) To protect your skin and eyes from irritants.
C) It is not important
D) To look professional
  • 12. What is 'exhausting the dye bath'?
A) Letting the dye bath sit overnight
B) Pouring the dye bath down the drain
C) Removing all the dye from the bath onto the fabric
D) Adding more dye to the bath
  • 13. What does pH measure?
A) Temperature
B) Acidity or alkalinity
C) Color intensity
D) Weight
  • 14. Which fruit, when rotted, can be used as a dye?
A) Pomegranate
B) Orange
C) Apple
D) Banana
  • 15. What should be done with leftover dye after it has cooled?
A) Use it for fertilizer
B) Dispose of responsibly according to local regulations
C) Pour down the drain
D) Store indefinitely
  • 16. Which common kitchen ingredient can be used to adjust pH?
A) Sugar
B) Vinegar
C) Salt
D) Flour
  • 17. What is over-dyeing?
A) Dyeing too many fabrics at once.
B) Dyeing a fabric that has already been dyed.
C) Dyeing with too much dye
D) Dyeing for an excessive amount of time
  • 18. Which metal can be used as a mordant but should be used with caution due to toxicity?
A) Iron
B) Aluminum
C) Copper
D) Zinc
  • 19. What is the best way to wash naturally dyed fabric?
A) In a cold washing machine with regular detergent
B) By taking it to a dry cleaner
C) By hand with a pH neutral soap.
D) In a hot washing machine with bleach
  • 20. Which of these is used for bundle dyeing?
A) Microwave
B) Boiling water
C) Steam
D) Ice
  • 21. What is the role of tannins in natural dyeing?
A) They help improve dye uptake and fastness, especially on cellulose fibers.
B) They are used to make the fabric softer.
C) They are used to create brighter colors.
D) They are used to lower the temperature of the dye bath.
  • 22. Which is a good source of tannins for natural dyeing?
A) Oak galls
B) Spinach
C) Carrots
D) Potatoes
  • 23. What does 'colorfast' mean in dyeing?
A) The dye is very bright.
B) The dye changes color over time.
C) The dye resists fading or running.
D) The dye is easy to remove.
  • 24. Which of the following can alter a dye color?
A) The brand of stove used
B) Changing the pH of the dye bath
C) The size of the dye pot
D) The time of day
  • 25. What safety precaution should be taken when using iron as a mordant?
A) Use an iron pot.
B) Mix it with bleach for better results.
C) Avoid prolonged skin contact.
D) It is completely safe to handle.
  • 26. What is 'dye liquor'?
A) The solid residue left after dyeing.
B) A special type of alcohol used in dyeing.
C) A brand of dye.
D) The dye bath solution.
  • 27. Which natural dye source can be used fresh or dried?
A) Cochineal
B) Marigolds
C) Madder root
D) Indigo
  • 28. What is 'resist dyeing'?
A) A technique to remove excess dye.
B) A technique to enhance the dye color.
C) A technique to dry fabric quickly.
D) A technique to prevent dye from reaching certain areas.
  • 29. Which common method uses wax to create a resist pattern?
A) Batik
B) Tie-dye
C) Screen printing
D) Shibori
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