Practice Quiz

Zombie Apocalypse Preparedness Quiz

Category - Staying Informed

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Which type of contamination CANNOT be removed from water by boiling or disinfecting?
  1. Viral diseases
  2. Sewage
  3. Toxic chemicals
  4. All of these contaminants cannot be removed
Explanation
Answer: C - Toxic chemicals

Infectious diseases like the zombie virus and general contaminants in sewage can be removed from water by boiling for several minutes or disinfecting with chlorine bleach or iodine. But water contaminated with fuel or toxic chemicals will not be made safe by boiling or disinfection. Use a different source of water if you know or suspect that water might be contaminated with fuel or toxic chemicals.
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