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What is the concentration of phenol required for it to act as a disinfectant?

Options

  1. A0.1 per cent solution
  2. B0.2 per cent solution
  3. C0.5 per cent solution
  4. D1 percent solution

Correct answer

D. 1 percent solution

Step-by-step solution

One percent solution of phenol is considered a disinfectant.

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