ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!


    Question

    Which of the following gas usually causes explosions in

    coal-mines?
    A Propane Correct Answer Incorrect Answer
    B Methane Correct Answer Incorrect Answer
    C Fluoroethane Correct Answer Incorrect Answer
    D Diazomethane Correct Answer Incorrect Answer

    Solution

    Methane explosions occur in coal-mines when a buildup of methane gas, a by-product of coal, comes into contact with a heat source, and there is not enough air to dilute the gas to levels below its explosion point.

    Practice Next
    More General science Common Questions

    Relevant for Exams:

    ask-question