Question

x is a metal on heating metal x with oxygen forma compound y which will be black in colour on passing hydrogen gas through compound y metal x and water obtained name x and y​

Answer 1

★Hello Deepak★

X Is Copper (Cu)

And Y is Copper Oxide (CuO)

★Reactions★

2Cu+O2→2CuO

CuO+H2→Cu+H2O

This is A Displacement Reaction

★Thank You★

Answer 2

Hey!

'X' here is Copper

'Y' here is Copper Oxide

Following reactions take place:

2Cu + O2 --> 2CuO

CuO + H2 --> Cu + H2O

Hope this helps ✌