Flash cards are great study aid which contains small amount of information, helps pupil to memorize formulas and equations, improve your spelling or committing anything else to memory. ExamFriend offers two sided flashcards, in which one side contains the question and the opposite side contains its answer. Users can flip the cards to see the questions and its relevant answers.

Total questions: 15


  • Q.1) Who invented Air Brake?

    George Westinghouse

  • Q.2) Who invented Aniline Dyes?

    Hoffman

  • Q.3) Who invented Adding Machine?

    Balise Pascal

  • Q.4) Who invented Aeroplane?

    Wright Brothers

  • Q.5) Who invented Air Conditioner?

    Carrier

  • Q.6) Who invented Atom Bomb?

    Otto Hahn

  • Q.7) Who invented Aspirin?

    Dreser

  • Q.8) Who invented Alcohol Thermometer?

    Farenheit

  • Q.9) Who invented Atomic Thermometer?

    Bohr

  • Q.10) Who invented Atomic Theory?

    Dalton

  • Q.11) Who invented Atomic Number?

    Mosley

  • Q.12) Who invented Atomic Structure?

    Bohr and Rutherford

  • Q.13) Who invented Automobile?

    Daimler

  • Q.14) Who invented Antiseptic Surgery?

    Lord Joseph Lister

  • Q.15) Who invented Archimedean Screw?

    Archimedies






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