Multiple choice

Directions: Select the correct alternative from the given choices.

Most of the explosions in mines occur due to the mixing of

  1. methane with air

  2. carbon dioxide with ethane

  3. hydrogen with acetylene

  4. hydrogen with oxygen
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Methane is a highly flammable gas often found in coal mines. When mixed with air, it can form an explosive mixture that ignites easily.

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