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.
Q.1) Who invented Air Brake?
Q.2) Who invented Aniline Dyes?
Q.3) Who invented Adding Machine?
Q.4) Who invented Aeroplane?
Q.5) Who invented Air Conditioner?
Q.6) Who invented Atom Bomb?
Q.7) Who invented Aspirin?
Q.8) Who invented Alcohol Thermometer?
Q.9) Who invented Atomic Thermometer?
Q.10) Who invented Atomic Theory?
Q.11) Who invented Atomic Number?
Q.12) Who invented Atomic Structure?
Q.13) Who invented Automobile?
Q.14) Who invented Antiseptic Surgery?
Q.15) Who invented Archimedean Screw?
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