Chemistry, asked by vinayboora25, 9 months ago

a shiny brown coin is made of an element turn black on heating

Answers

Answered by bukanchoudhuri2057
1

Answer:

Explanation:

When a shiny brown coin which is made of Copper (cu) is heated, it turns black compound which is known as copper oxide (CuO).

This happens because copper gets oxidized with the contaminated by oxygen (O2) which is present in the air.

But it can be possible if the copper is heated in the presence of air which constitutes oxygen.

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bukanchoudhuri2057: welcome
vinayboora25: in which class u are
bukanchoudhuri2057: class 7
Answered by amisha4686
1

Answer:

COPPER IS THE ELEMENT MENTIONED HERE.

When we heat copper in presence of air which contains oxygen gas it forms a black compound known as copper oxide.(CuO)

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