Question

A shiny brown coloured element x on heating in air becomes black in colour .name the element x and the black coloured compound also write the type of reaction is this

Answer 1

The element X is COPPER {Cu} and the black coloured compound formed on heating X is COPPER (||) oxide {CuO}. This is Redox reacion

Answer 2

Answer:

The element X is Copper.

The black coloured compound is Copper oxide.

the reaction that takes place here is the Redox reaction.

hope this helps

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