Home PYQs UPPSC UPPSC MCQs Prelims 2004 (GS Paper I)

Question

The gas which is believed to be the main cause of explosion in the coal mines is:

  1. Acetylene
  2. Carbon monoxide
  3. Hydrogen
  4. Methane

Answer:

Option D: Methane

Detailed Solution:

The correct answer is “Methane”.

Methane is highly flammable and can form explosive mixtures with air, making it a significant hazard in coal mining operations.