Question

Please solve this chemistry question, CBSE board class 10.
spams will be kindly reported.
thank you​

Answer 1

Answer:

copper is the brown coloured element X.Which on heating in air becomes black coloured compound copper oxide.

2cu+o2------>2cuo

Answer 2

Answer:

The element 'X' is Copper. And the black coloured compound formed is Copper Oxide.

Explanation:

Equation For it:

2Cu + O2 ----------------> 2CuO

where Cu is Copper, O2 is oxygen I.e, air and finally CuO is black coloured compound Copper Oxide.