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Physical and Chemical Agents

Physical and Chemical Agents
Which of the following material is sterilized by heating at 160°C in a hot air oven for one hour?

All of these
Swab sticks
All-glass syringes
Oils and jellies

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Physical and Chemical Agents
Microbes can be removed from a liquid solution by the process of

freeze-drying
desiccation
osmosis
filtration

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Physical and Chemical Agents
The organisms retained in the fluids filtered by Seitz filter is

Clostridium
Staphylococcus
None of these
Proteus

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Physical and Chemical Agents
Which of the following substances can sterilize?

Alcohol
Cetylpyridinium chloride
Chlorine
Ethylene oxide

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Physical and Chemical Agents
Which of the following is best to sterilize heat labile solutions?

Dry heat
Autoclave
Pasteurization
Membrane filtration

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Physical and Chemical Agents
Which of the following is bactericidal?

Deep freezing
Freeze-drying
Ionizing radiation
Membrane filtration

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