general awareness - test -07

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1. Universal Declaration of Human Rights Was adopted by the U.N.O. on

Element : silver
Symbol : ag
Atomic no. : 47
Melting Point (deg c) : 961.78
Boiling Point (deg c) : 2162
Discoverer : prehistoric      .. More >>

optical maser:
n.
1.an acronym for light amplification by stimulated emission of radiation      .. More >>
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