Question

A silvery white metal X taken in form of ribbon,when ignited, burns in air with a dazzling white flame to form a white powder y ?what is y​

Answer 1

A silvery-white metal X taken in the form of ribbon, when ignited, burns in air with a dazzling white flame to form a white powder Y. When water is added to powder Y, it dissolves partially to form another substance Z.

Answer 2

Answer:

X:- aluminium

Y:- aluminium oxide

(Additional) Z:- aluminium hydroxide

Explanation:

Aluminium has a silvery-white colour which buena in presence of oxygen to form its oxide (Al2O3) and then react with water to form its hydroxide {Al(OH)3}