Question:

Among gaseous used in sterilization and disinfectant......which of the following NOT used fumigation of room which is highly explosive property:

Show Hint

EtO = Explosive; used in chambers, not for "smoking out" a whole room.
Updated On: May 15, 2026
  • Formaldehyde
  • Ethylene oxide
  • Chlorine dioxide
  • Beta propiolactone
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The Correct Option is B

Solution and Explanation


Step 1: Concept

Gaseous sterilization is used for heat-sensitive materials or large spaces.

Step 2: Meaning

Safety is a primary concern with gas sterilants, as some are toxic, carcinogenic, or highly flammable.

Step 3: Analysis

Formaldehyde and Chlorine dioxide are common for room fumigation. Ethylene oxide (EtO) is an extremely effective sterilant but is highly explosive and flammable in its pure form. Because of this risk and its toxicity, it is typically used in specialized sealed chambers rather than open room fumigation.

Step 4: Conclusion

Due to its explosive nature, Ethylene oxide is the one typically restricted from general room fumigation. Final Answer: (B)
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