Question

a reddish brown coloured metal used in electrical wires when powered and heated strongly in an open China dish its colour turns black in colour .
write the chemical equation
​

Answer 1

Explanation:

i) The brown colour metal is copper (Cu) . And it's black colour oxide is Copper Oxide .

(ii) Csse 1)

Cu + O2 ----> CuO

Case 2)

CuO + H2 ------> Cu + H2O

if this helps you

mark as brainlest answer please

Answer 2

Answer:

Brown Colour metal--- Copper(Cu)

Obtained black colour substance---- Copper Oxide

Case1:

Cu+O2 --> CuO

Case2:

CuO+ H2O --> Cu+ H2O

Hope it helps....