ICSE BoardEnglish MediumSTD 9BIOLOGYAids to Health2 Marks
Question
Define the following :Disinfectants
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Answer
Disinfectants:Chemicals which either kill or prevent the growth of microorganisms are know as disinfectants. These are applied to inanimate objects such as floors, drainage system, instruments, etc.
Example: $1\%$ solution of phenol
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