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1216

Q: Harmful bacteria in drinking water cannot be destroyed by

  • 1
    Chlorination
  • 2
    boiling
  • 3
    adding caustic soda
  • 4
    ozonisation
  • Show Answer
  • Workspace

Answer : 3. "adding caustic soda"
Explanation :

Answer: C) adding caustic soda Explanation: Water containing caustic soda cannot be used for drinking

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