Question

A compound of a shiny brown metal X is heated strongly to produce a black colored residue W accompanied by a brown gas Y and a colorless gas Z. Identify W, X, Y, Z.

Answer 1

Explanation:

The shiny elements are metals. The brown coloured metal is copper. Hence

′ X ′ is copper and the black coloured compound formed is Copper oxide. The reaction involved is:

2Cu(s)+O 2 (g)→CuO(s)

Hope it helps.

Hope it helps.Please mark ne as brainliest.