Home / General Knowledge / Chemistry :: Discussion

Discussion :: Chemistry

  1. The gas that usually causes explosions in coal mines is

  2. A.

     Hydrogen

    B.

     Carbon monoxide

    C.

     Air

    D.

     Methane

    View Answer

    Workspace

    Answer : Option D

    Explanation :

    There are two main types of coalmine explosions: methane and coal dust. Methane explosions occur when a buildup of methane gas contacts a heat source and there is not enough air to dilute the gas level below its explosion point.


Be The First To Comment