1.

    A compound contains 28% nitrogen and 72% of a metal by weight. Three atoms of metal combine with two atoms of nitrogen. If the atomic weight of nitrogen is 14, the atomic weight of the metal is:

    A

    12

    B

    24

    C

    36

    D

    48

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Mole Concept, Empirical Formula, Percentage Composition

    Related Questions

    1.

    The apparatus in which standard solution is prepared is known as :

    A

    Measuring flask

    B

    Round bottom flask

    C

    Burette

    D

    None of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :laboratory equipment, volumetric analysis, solution preparation

    2.

    The apparatus in which standard solution is prepared is known as :

    A

    Measuring flask

    B

    Round bottom flask

    C

    Burette

    D

    None of these

    Question Tags
    📚 Subject:Chemistry
    📑 Chapter:Some Basic Concepts in Chemistry
    🎯Topic:Mole Concept
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :laboratory equipment, solution preparation

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