Circular Economy quiz

More questions about Circular Economy

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   Which option tops the EU waste hierarchy?

   Answer: Prevention

   Why: Recycling only comes third, after prevention and preparing for re-use, and ahead of energy recovery and disposal.

2. 2 Medium

   Which term means recycling into a lower-quality product?

   Answer: Downcycling

   Why: Scrap steel from old cars is often tainted with copper from wiring, so much of it ends up in construction instead of new cars.

3. 3 Hard

   Where in Denmark have factories swapped by-products since 1972?

   Answer: Kalundborg

   Why: In 1989 the town's power station began using warm cooling water to raise trout and turbot at a local fish farm.

4. 4 Easy

   What must stay attached to EU drink bottles since 2024?

   Answer: The cap

   Why: Plastic caps and lids turn up in nature two to three times more often than the bottles themselves.

5. 5 Medium

   Which country passed a Circular Economy Promotion Law in 2008?

   Answer: China

   Why: The law defines the circular economy as reducing, reusing and recycling across production, circulation and consumption.

6. 6 Hard

   What share of the world's 2022 e-waste was documented as recycled?

   Answer: About 22%

   Why: The world produced a record 62 million tonnes of e-waste in 2022, 82% more than in 2010.