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At what concentration does phenol act as an antiseptic?

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

B. 0.2 per cent solution

Step-by-step solution

A 0.2 per cent solution of phenol is considered an antiseptic.

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