Laundry Chemistry and Innovations Quiz

What has reduced the need for sorting laundry by color in recent years?

• Increased use of natural dyes

• Advancements in dyes, detergents, and fibers

• New washing machine technology

• Traditional laundry methods

What is the primary concern for the textiles industry regarding dyes?

• Availability of natural sources

• Washfastness

• Cost of production

• Color variety

What role do surfactants play in laundry detergents?

• They add fragrance to clothes

• They bond with both grime and water

• They soften the fabric

• They increase the temperature of water

Why do modern detergents work well in cold water?

• They are more concentrated

• They use natural ingredients

• They have improved enzymes

• They contain more surfactants

What was a significant change in laundry detergents after 2005?

• They required more water

• They became more expensive

• They started working well in cold water

• They were only available in liquid form

What percentage of global fiber production was polyester in 2022?

• 35%

• 54%

• 65%

• 80%

What is a major environmental concern associated with synthetic fabrics?

• High production cost

• Poor durability

• Limited color options

• Microplastics pollution

What is the estimated contribution of synthetic fabric washing to global microplastics pollution?

• 15%

• 35%

• 45%

• 25%

What is a recommended practice when washing new clothes?

• Avoid washing for the first month

• Use extra detergent

• Pre-wash alone or with similar colors

• Wash with hot water

What is a key focus of ongoing research in the textiles industry?

• Increasing production speed

• Developing more synthetic fibers

• Reducing environmental impact

• Enhancing color brightness