Chemistry, asked by MayankBansal2858, 1 year ago

A brown element x on heating in air forms a compound y. When hydrogen gas is passed over y , it changes to x again

Answers

Answered by Karan5Gupta
0
x is copper

y iscopper oxide

CU +O2 =2cuo  (actually there can't be equal sign here,,but in computer there is not any symbol like that so sorry)

again 

cuo +h2=cu+h20

in first equation it is a combination reaction where as it is redox reaction in equation 2

so cheers


Answered by daksheshjangir
2

read it carefully and briefly you will get your answer soon...............

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