How to make paper from recycled materials
  • 1. What is the primary ingredient in recycled paper?
A) Plastic
B) Wood pulp
C) Cotton fibers
D) Waste paper
  • 2. What is the first step in recycling paper?
A) Collecting waste paper
B) Pressing the paper
C) Adding dyes
D) Bleaching the pulp
  • 3. What process is used to break down the paper into pulp?
A) Digesting
B) Fermenting
C) Pulping
D) Heating
  • 4. What is often used in pulping to help break down the paper?
A) Oil
B) Sugar
C) Acid
D) Water
  • 5. What process removes inks and dyes from the pulp?
A) Bleaching
B) Washing
C) De-inking
D) Filtering
  • 6. What is added to the pulp to make it whiter?
A) Starch
B) Glue
C) Bleach
D) Clay
  • 7. What is the purpose of screening the pulp?
A) Thicken the pulp
B) Dissolve the pulp
C) Add color
D) Remove contaminants
  • 8. What machine is used to spread the pulp into a thin sheet?
A) Paper machine
B) Loom
C) Spinning wheel
D) Press
  • 9. What process removes water from the paper sheet?
A) Heating
B) Pressing
C) Freezing
D) Cooling
  • 10. What is done to the paper to make it smooth and dry?
A) Folding
B) Soaking
C) Drying
D) Stretching
  • 11. What is the final step in the paper making process?
A) Rolling
B) Cutting
C) Stacking
D) Folding
  • 12. Why is recycling paper important?
A) Saves trees
B) Makes paper heavier
C) Makes paper cheaper
D) Makes paper stronger
  • 13. What type of paper is hardest to recycle?
A) Coated paper
B) Office paper
C) Newspaper
D) Cardboard
  • 14. What is the benefit of using recycled paper?
A) Requires more energy
B) Is always more expensive
C) Reduces landfill waste
D) Increases carbon emissions
  • 15. Can all types of paper be recycled?
A) No
B) Only white paper
C) Only colored paper
D) Yes
  • 16. Which of these is NOT a type of paper that can be recycled?
A) Cardboard
B) Newspaper
C) Magazines
D) Waxed paper
  • 17. What is the purpose of the clarification process during paper recycling?
A) Remove any remaining inks or contaminants
B) Add coloring
C) Make the paper stronger
D) Make the paper smoother
  • 18. Which chemical is commonly used for bleaching recycled paper pulp?
A) Hydrogen peroxide
B) Nitric acid
C) Hydrochloric acid
D) Sulfuric acid
  • 19. What is the function of the headbox in a paper machine?
A) Cuts the paper
B) Distributes the pulp evenly onto the wire mesh
C) Dries the paper
D) Presses the paper
  • 20. What is the term for the woven mesh that the paper pulp is spread onto in the paper machine?
A) Wire
B) Screen
C) Belt
D) Cloth
  • 21. What affects the grade/quality of recycled paper?
A) Color
B) Fiber length
C) Weight
D) Water content
  • 22. How many times can paper be recycled on average?
A) 10-12 times
B) Indefinitely
C) 5-7 times
D) 1-2 times
  • 23. Which certification mark indicates that paper contains recycled content?
A) Forest Stewardship Council (FSC)
B) Recycled Content Logo
C) Rainforest Alliance Certified
D) Energy Star
  • 24. What is the main use of brown paper made from recycled materials?
A) Writing
B) Printing
C) Packaging
D) Drawing
  • 25. What type of adhesive is best to use with recycled paper?
A) Super glue
B) Hot glue
C) Water-based glue
D) Epoxy
  • 26. What is the primary source of energy used in paper recycling mills?
A) Coal
B) Natural gas
C) Electricity
D) Solar
  • 27. What is the term for paper that cannot be recycled?
A) Contaminated Paper
B) Virgin Paper
C) Post-Consumer Waste Paper
D) Pre-Consumer Waste Paper
  • 28. What is the purpose of adding starch to recycled paper during the paper making process?
A) Enhances water resistance
B) Increases strength
C) Adds a smooth finish
D) Improves color
  • 29. Which of the following industries is NOT a significant consumer of recycled paper?
A) Publishing
B) Packaging
C) Automotive
D) Printing
  • 30. What is the impact of recycling paper on water usage?
A) Increases water usage
B) Has no impact on water usage
C) Doubles water usage
D) Decreases water usage
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