Question

please give me correct answer if you don't give me correct answer so I will report your answer​

Answer 1

Answer:

a) The black coloured substance is formed because there is oxidisation of copper with presence of oxygen.

b) Copper Oxide

c) Copper + Oxygen =  Copper Oxide

   Cu         +     $o_{2}$       =       CuO

d) Thermal decomposition: - compounds break down when heated, forming two or more products from one reactant.      (Copper carbonate is green and copper oxide is black.)

e)Copper is oxidised to form copper oxide

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