Chemistry

11th

grade

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class 11 chemistry mcq

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35 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    The two electrons in an orbit are distinguished by

    principal quantum number

    angular momentum quantum number

    spin quantum number

    magnetic quantum number

  • 2. Multiple Choice
    1 minute
    1 pt

    A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at:

    518 nm

    1035 nm

    325 nm

    743 nm

  • 3. Multiple Choice
    1 minute
    1 pt

    When the angular momentum number ,l=1,the shape of the orbital will be

    spherical

    dumbbell

    double dumbbell

    diffused

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