Robert Boyle prepared H gas in 1672.However,he was unable to establish that it was an element.So the credict of discovery of hydrogen goes to Henry Cavendish .He prepared hydrogen gas in 1766.He established that it was an element.In Greek language water maker is called Hydogen.
Friday, June 19, 2009
Tuesday, June 9, 2009
THE GANGA
Tuesday, June 2, 2009
CRICKET........
Monday, June 1, 2009
Wednesday, May 27, 2009
THE SOLAR SYSTEM
The term "solar" refers to sun.The solar system consist of Sun, eight planets and their satellites ,asteroids ,meteors and comets.The sun is the biggest and brightest body seen from the earth.Sun is the medium sized star.Sun is 1300000 times larger than earth.Suns light takes 8 minutes 20 seconds to reach earth.Sunlight travels at the speed of 300000 km per second.
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