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Q: Process of killing pathogenic bacteria from water is known as:
  • A. filtration
  • B. sedimentation
  • C. coagulation
  • D. disinfection
Correct Answer: Option D - The process to killing pathogenic bacteria and safe to the public use its called disinfection. Method of removing disinfection– 1. Physical method (a) Disinfection by heat (b) Disinfection by light 2. Chemical method oxidizing chemicals metal ions alkalis and acids
D. The process to killing pathogenic bacteria and safe to the public use its called disinfection. Method of removing disinfection– 1. Physical method (a) Disinfection by heat (b) Disinfection by light 2. Chemical method oxidizing chemicals metal ions alkalis and acids

Explanations:

The process to killing pathogenic bacteria and safe to the public use its called disinfection. Method of removing disinfection– 1. Physical method (a) Disinfection by heat (b) Disinfection by light 2. Chemical method oxidizing chemicals metal ions alkalis and acids