Question

A reddish brown coloured element A Used in electrical wires, when powdered and heated
strongly in china dish turns black. (a) Identify the metal A and black coloured substance, (b)
Name the reaction and write the balanced equation.
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Answer 1

HEY MATE...

THE ANS FOR YOUR QUESTION IS COPPER WHEN COPPER IS HEATED IT FORMS COPPER OXIDE

A) COPPER

B)copper oxide

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

hope this ans helps you...

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