Method in which a test chemical is rated for its microbicidal property with reference to phenol under identical conditions is :
A. Phenol ratio method
B. Phenol coefficient method
C. Phenol gradient method
D. Phenol dilution method
Answer:B
Method in which a test chemical is rated for its microbicidal property with reference to phenol under identical conditions is :
A. Phenol ratio method B. Phenol coefficient method C. Phenol gradient method D. Phenol dilution method