Question
Protons were discovered
bySolution
In 1911 Ernest Rutherford who performed many experiments to explore radioactivity did an experiment in which he discovered that the atom must have a concentrated positive centre charge that contains most of the atom’s mass. He suggested that the nucleus contained a particle with a positive charge the proton.
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Which of the following is polyatomic?
Another name of Carborundum is
Which fuel has the highest calorific value?
Which element is known as the 'King of Chemicals.
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The fuel that is used in modern submarines is -
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