School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China ...

Solid State and Structural Chemistry Unit, Indian Institute of Science, Bengaluru 560012, India Interdisciplinary Centre for Energy Research, Indian Institute of Science, Bengaluru 560012, India ...

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