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Underground railways provide cheap transport in metropolitan cities all over the world. Which gas is used for disinfecting the air in underground railways?
- a)Oxygen
- b)Nitrogen
- c)Ozone
- d)Carbon dioxide
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Underground railways provide cheap transport in metropolitan cities al...
Ozone is used for disinfecting the air in underground railways.
Explanation:
• Underground railways are confined spaces where air circulation is limited. This often leads to poor air quality and the accumulation of harmful pollutants.
• To prevent the spread of diseases and ensure good air quality, disinfection of the air in underground railways is necessary.
• Ozone is a powerful oxidizing agent and is known to kill bacteria, viruses, and other microorganisms. It is also effective in removing odors and other pollutants from the air.
• Ozone generators are installed in underground railways to produce ozone gas, which is then circulated through the ventilation system to disinfect the air.
• Ozone is preferred over other disinfectants like chlorine as it does not leave any harmful residues and is safe for human exposure at low concentrations.
• However, ozone should be used with caution as it can be harmful to human health at high concentrations. Therefore, proper monitoring and control of ozone levels are necessary in underground railways.
Explanation:
• Underground railways are confined spaces where air circulation is limited. This often leads to poor air quality and the accumulation of harmful pollutants.
• To prevent the spread of diseases and ensure good air quality, disinfection of the air in underground railways is necessary.
• Ozone is a powerful oxidizing agent and is known to kill bacteria, viruses, and other microorganisms. It is also effective in removing odors and other pollutants from the air.
• Ozone generators are installed in underground railways to produce ozone gas, which is then circulated through the ventilation system to disinfect the air.
• Ozone is preferred over other disinfectants like chlorine as it does not leave any harmful residues and is safe for human exposure at low concentrations.
• However, ozone should be used with caution as it can be harmful to human health at high concentrations. Therefore, proper monitoring and control of ozone levels are necessary in underground railways.
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Community Answer
Underground railways provide cheap transport in metropolitan cities al...
Ozone decomposes easily to give and thus improves the percentage of oxygen at crowded places, such as cinema halls, tube railway, etc. Ozone is a germicide and helps in killing microbes and destroying the foul smell in the atmosphere by the bad-smelling object.
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Underground railways provide cheap transport in metropolitan cities all over the world. Which gas is used for disinfecting the air in underground railways?a)Oxygenb)Nitrogenc)Ozoned)Carbon dioxideCorrect answer is option 'C'. Can you explain this answer?
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