Page-19 of Chemistry

Potential use of Radon in Earthquake Predictions

November 30, 2011

Recently, it was published in the media that Dipak Ghosh, emeritus UGC fellow, who had embedded a solid-state nuclear track detector 70cm underground beside the Faculty Club at Jadavpur University, recorded abnormal fluctuations in radon gas emission from below. This ..

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Laser Enrichment Process

November 4, 2011

What is Laser Enrichment Process? In one of our science modules we have studied about the Uranium Enrichment Process by Centrifuges. The fundamental principle behind the Uranium Enrichment by centrifuges is that U-235 weighs slightly less than U-238. This difference ..

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Potential of Gold in treatment of Cancer

October 30, 2011

At present, one isotope gold Au-198, (half-life 2.7 days) is used in some cancer treatments and for treating other diseases. Recently, an international team, led by University of Western Australia and Griffith University, has described how using two imaging techniques ..

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Oxygen in Orion constellation

October 30, 2011

Recently, the European Space Agency’s Herschel telescope has found the first confirmed evidence of oxygen molecules in space. The Oxygen molecules have been found in the star forming region of the Orion constellation. Oxygen gas was discovered in the 1770s, ..

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Current Affairs : August 5, 2011

August 5, 2011

NASA discovers First Evidence of Water on Mars NASA Scientists claimed to have discovered the first substantiation of flowing water on Mars Evidence collected by the Mars Reconnaissance Orbiter the first discovery of active liquid water in the ground on ..

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Quick Fact Sheet : Gold

March 28, 2009

1. Gold is a chemical element with the symbol Au (Latin: aurum) and atomic number 792. Gold has traditionally found use because of its good resistance to oxidative corrosion.3. It is attacked by aqua regia* (a mixture of acids), forming ..