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प्रश्न
The gas that usually causes explosion in coal mines is ______.
विकल्प
methane
carbon monoxide
carbon dioxide
hydrogen
MCQ
रिक्त स्थान भरें
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उत्तर
The gas that usually causes explosion in coal mines is methane.
Explanation:
Methane is a highly flammable gas that is often found in coal mines. Its accumulation can lead to explosive hazards when mixed with air in specific proportions, making it the primary gas responsible for explosions in coal mines.
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