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PHYSICAL AND CHEMICAL AGENTS

Physical and Chemical Agents
Which of the following is not a disinfectant containing a heavy metal?

Copper sulfate
Silver nitrate
Chlorine
Mercurochrome

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Physical and Chemical Agents
Which is the most important surface active disinfectants?

Amphoteric compounds
Anionic compounds
Cationic compounds
Non-ionic compounds

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Physical and Chemical Agents
Which disinfectant would be most effective against Staphylococcus found in a blood spill?

Cetylpyridinium chloride
None of these
Phenol
Hexachlorophene

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

Ethylene oxide
Alcohol
Chlorine
Cetylpyridinium chloride

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Physical and Chemical Agents
Milk is pasteurized in batch method by keeping it at

73°C for 30 minutes
72°C for 6 minutes
63°C for 30 minutes
72°C for 60 seconds

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