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Materials - Biodegradeables 01

Quiz by Dave Eachus

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9 questions
Show answers
  • Q1
    Which statement is false about biodegradeables and the background to them.
    Biodegradable plastics will break down under any conditions.
    Biodegradables
    Conventional oil based plastics do not break down easily.
    Currently, most domestic waste is made up on non-biodegradable plastics.
    30s
  • Q2
    Which is not an application for a biodegradeable?
    Disposable pots, cutlery, soft drinks bottles
    Disposable gloves, plastic bags
    Car body parts such as bumpers, wing mirrors
    Medical products
    30s
  • Q3
    Is this statement TRUE or FALSE. The majority of biodegradeable are derived from renewable raw materials.
    TRUE
    FALSE
    30s
  • Q4
    Is this statement TRUE or FALSE. Starch based polymers are derived from wheat, corn and potato and are used in the manufacture of capsule for medicines.
    TRUE
    FALSE
    30s
  • Q5
    Which of these is not a biodegradeable plastic.
    PHA [Biopol] made from bateria
    Polyactides [PLA] - from a natural source
    Oxo-degradeable polymer - short degradation time [5 years]
    PHD [Doctorpol] - from a natural source
    30s
  • Q6
    Is this TRUE or FALSE. Conventional polymers can be made to break down more easily with the inclusion of a bio-botch.
    FALSE
    TRUE
    30s
  • Q7
    Some polymers can be made photo-degradeable so that they break down when exposed to light. Is this TRUE or FALSE?
    FALSE
    TRUE
    30s
  • Q8
    Some polymers can be made audio-degradeable so that they break down when exposed to sound. Is this TRUE or FALSE?
    FALSE
    TRUE
    30s
  • Q9
    Some polymers can be made to degradeable when in contact with warm water. They are called water-soluable polymers. Is this TRUE or FALSE?
    FALSE
    TRUE
    30s

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