Question:

The name of metal nanoparticle which acts as highly effective bacterial disinfectant in water purification process is ________________.

  • carbon black
  • silver
  • gold
  • copper
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The Correct Option is B

Solution and Explanation

Silver nanoparticles are widely used as antibacterial agents in water purification due to their ability to disrupt bacterial cell membranes and inhibit growth.
Answer: silver.
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