Which one of the following organisms is used for the determination of phenol coefficient of a disinfectant?

Which one of the following organisms is used for the determination of

1.	Which one of the following organisms is used for the determination of phenol coefficient of a disinfectant?
A.	Salmonella typhi
B.	Escherichia coli
C.	Candida albicans
D.	Bacillus psychrophilus
Answer» B. Escherichia coli

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Which one of the following organisms is used for the determination of phenol coefficient of a disinfectant?

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