The MV Ruby had originally loaded its ammonium nitrate cargo from Russia's northern town of Kandalaksha in late August and was headed to Las Palmas in the Canary Islands when it suffered damage ...

Department of Physics, University of Lucknow, Lucknow, U.P. 226007, India ...

Copper hydroxide forms a blue precipitate. The table shows the coloured precipitates formed by five common metal ions in this test.