1.

    A gaseous mixture of ethane (C2H6) and propane (C3H8) occupies 44.8 L at STP. If the mass of the mixture is 80g, what is the mole fraction of ethane?

    A

    1/2

    B

    2/7

    C

    3/7

    D

    1/4

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Microbes in Human Welfare
    🎯Topic:S.T.P
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :2.5 mins
    🔄Ncert Concepts :STP, Mole Fraction, Molar Mass

    Related Questions

    1.

    Waste water treatment generates a large quantity of sludge, which can be treated by

    A

    Anaerobic sludge digesters

    B

    Activated sludge

    C

    Chemicals

    D

    H2S{H_2}S

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Microbes in Human Welfare
    🎯Topic:S.T.P
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :wastewater treatment, sludge treatment, anaerobic digestion

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