Question

A brow" substance X heating in air formar a substance when hydrogen gas is passed over heated Y. it again
changes into X
a) Name the substance and y
b) Name the chemical process occuring during both changes
c) write balanced chemical equations involved in both the changea​

Answer 1

Answer:

a) The substance X is copper. On heating in air, it forms copper oxide Y.

b) The chemical processes occuring are oxidation and reduction.

c) 2Cu + O2 --> 2CuO

CuO + H2 --> Cu + H2O

Hope it helps!!