An example of an oxide ore is _______.
An element reacts with oxygen to form oxide which dissolve in dilute hydrochloric acid.the oxide formed turns a solution of red litmus blue. Is the element a metal or a nonmetal? Explain with an example.
Zinc blende ore can be converted into zinc oxide by the process of: (a) roasting (b) hydrogenation (c) chlorination (d) calcination
An element X on reacting with oxygen forms an oxide X2O. This oxide dissolves in water and turns red litmus blue. State whether element X is a metal or a non metal. Explain with proper example.