1)  Go to www.musictheory.net/

    2)  Click on Exercises.

    3)  Click on Note Identification.

    4)  Click Yes to customize your exercise.

    5)  Make sure the first clef is marked.

    6)  Click on the button Custom Range.

    7)  Click the arrows until you get the notes you are practicing.

    8)  Make sure to click all of the key signatures OFF.

    9) Now click start exercise.