Effects of Heat on Plastic Recycling
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Questions and Answers

How does heat play a role in the recycling of plastic?

  • By altering the weight of the plastic
  • By altering the color of the plastic
  • By altering the volume of the plastic
  • By altering the density of the plastic (correct)

    • Which property of heat is crucial in transforming used plastic into new plastic goods?

  • The property that heat can change the density of a substance
  • The property by which heat can change the state of matter
  • The property that heat can change the volume of a substance (correct)
  • The property that heat can change the weight of a substance

    • What property of heat helps in making new plastic goods from used plastic?

  • The property that heat can change the volume of a substance
  • The property that heat can change the density of a substance (correct)
  • The property by which heat can change the state of matter
  • The property that heat can change the weight of a substance

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