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Physical and Chemical Agents

Physical and Chemical Agents
Iodophores are mixture of

iodine and phenols
iodine and surface active agents
iodine and aldehydes
iodine and alcohols

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Physical and Chemical Agents
Which of the following is/are vapour-phase disinfectant/s?

Both (a) and (b)
Formaldehyde
None of these
Ethylene oxide

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Physical and Chemical Agents
The time in minutes at a specific temperature needed to kill a population of cells is the

F value
thermal death temperature
decimal reduction time
thermal death point

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Physical and Chemical Agents
All of the following are sporicidal except

alcohol
glutaraldehyde
formaldehyde
ethylene oxide

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Physical and Chemical Agents
Ethylene oxide is used to destroy or kill which of the following microbes?

Spores
Bacteria
All of these
Fungi

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Physical and Chemical Agents
The process of making an object free from living organisms including bacterial and fungal spores and viruses is known as

sterilization
antisepsis
pasteurization
disinfection

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