India launches 5th navigation satellite IRNSS-1E

PSLV-C31 Successfully Launches India's Fifth Navigation Satellite IRNSS-1E

Ques: Through which Polar Satellite Launch Vehicle the Indian Space Research Organization (ISRO) on 20 January 2016 successfully launched the Indian Regional Navigational Satellite System (IRNSS) 1-E satellite? (a) PSLV-C31 (b) PSLV-C30 (c) PSLV-C24 (d) […]

IUPAC announced addition of Four Elements

IUPAC announces the verification of the discoveries of four new chemical elements

Question: The International Union of Pure and Applied Chemistry (IUPAC) on 30 December 2015 announced discovery and assignment of elements with atomic numbers- (a) 115,116,117,118 (b) 117,113,114,115 (c) 113,115,117,118 (d) 118,114,112,116 Ans (c) Related facts: […]