A phenol coefficient greater than 1

Indicates that the disinfectant is more effective than phenol

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Indicates that the disinfectant is less effective than phenol

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Indicates that the disinfectant is equally effective than phenol

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None of the above

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Solution

The correct option is C Indicates that the disinfectant is more effective than phenol
Phenol coefficient is the measurement of disinfectant action in comparison with phenol action. It is obtained by dividing degree of dilution of a disinfectant to kill a certain amount of microbes by the degree of dilution of phenol to kill the same amount of microbes. If phenol coefficient is greater than 1, it means that the degree of dilution for disinfectant is more than that of phenol. Thus, this indicates that the disinfectant is more effective than phenol. So, the correct answer is option A.

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