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PIMSO 2023 - Science - Secondary 1 - National Round Question 24

PIMSO Science · PIMSO 2023 - Science - Secondary 1 - National Round

Question 24

Per-and polyfluoroalkyl substances (PFAS) are synthetic organic chemicals that contain at least one fully fluorinated carbon atom. These chemicals have strong water- and oil-repellent properties, therefore, these have been widely used as coating in several consumer products. PFAS are also not easily degraded, thereby raising concerns in their effect in the environment and human health. How can we be exposed by PFAS?
  1. By drinking contaminated water
  2. By consuming contaminated food
  3. By touching contaminated items
  4. By breathing contaminated air
  5. All of the above