A shiny brown coloured element ‘X& | Class 10 Science Chapter Chemical reaction and Equation, Chemical reaction and Equation NCERT Solutions

Question:

A shiny brown coloured element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black coloured compound formed.

Answer:

The brown coloured element 'X' is copper. On heating in air it forms copper oxide which is black in colour.

            2Cu(s)    +    O2(g)      →      2CuO(s)
            Copper        Oxygen             Copper oxide
            (Brown                                   (Black)
              color)


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Welcome to the NCERT Solutions for Class 10 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 4 , Question 17: A shiny brown coloured element ‘X’ on heating in air becomes black in colour. Name the e....