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Published On: Sat, Feb 21st, 2009

Inventions and Discoveries

Who discovered natural radioactivity

Ans : Hentry Bequeral

Hydrogen was discovered by

Ans : Cavendish

Who invented Microprocessor

Ans : Ted Hoff

Name the scientist who proposed Doppler Effect

Ans : Christian Doppler

Who discovered Argon

Ans : Ramsay

Name the scientist who proposed pH value

Ans : Sorenson

Who discovered the Law of Gravitation

Ans : Sir Isaac Newton

Who discovered penicillin

Ans : Alexander Fleming

Who invented dynamite

Ans : Alfred Nobel

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  1. sambhavi says:

    i want more questions and answers.these are not enough.

  2. manish says:

    dis si very few….plz introduce more….

  3. pardeep kumar says:

    Please give these question in Hindi also

  4. awadhes kumar says:

    who is invented electric engine ?

  5. capricorn princess says:

    more questions!!!

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