(D) Disinfectants are chemical substances that kill or prevent the growth of microorganisms but are toxic to living tissues. They are applied to inani

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(D) Disinfectants are chemical substances that kill or prevent the growth of microorganisms but are toxic to living tissues. They are applied to inanimate objects like floors,drainage systems,and instruments. $0.2 \text{ percent}$ solution of phenol is an antiseptic,while its $1 \text{ percent}$ solution acts as a disinfectant.