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Q:

Which of the following gas causes explosion in coal mines?

  • 1
    Carbon dioxide
  • 2
    Nitrogen
  • 3
    Butane
  • 4
    Methane
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Answer : 4. "Methane"
Explanation :

Methane is the gas that can cause explosions in coal mines. Methane is a highly flammable gas, and when it accumulates in high concentrations in confined spaces like coal mines, it poses a significant risk. Methane explosions can occur if the gas comes into contact with an ignition source, such as a spark or flame, leading to a dangerous explosion. That's why proper ventilation and safety measures are crucial in coal mines to prevent methane buildup and potential explosions.


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