Namely, during the planet’s first few billion years the oceans had lots of iron hydroxide, a compound that absorbs blue light. Related: Geophysicists: "Say Goodbye to Your Beaches, SoCal" This ...

An international collaboration of Scientists at Dongguk University developed a novel nickel-based hydroxide compound that can be used as a powerful catalyst for the electrolysis of water.

A few drops of dilute sodium hydroxide solution react to form a white precipitate with aluminium ions, calcium ions and magnesium ions. However, if excess sodium hydroxide solution is added ...