Multiple choice

A disinfecting agent diluted 1:500 works the same as phenol at 1:250, the phenol coefficient?

  1. 0.5

  2. 1

  3. 5

  4. 2
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The phenol coefficient is calculated by dividing the dilution of the test agent by the dilution of phenol. Here, 500 / 250 = 2.

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