Math, asked by ar450885, 9 months ago

when any two integer are added , we will always get an __________. this property is called the__________ property of addition of integers​

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Answered by AnjelaDIY
1

Answer:

idk...

oxide formed is black in colour. The black colour is formed due to the oxidation of copper takes place. (b) When hydrogen gas is passed over hot copper oxide, the black coating on the surface turns brown as the reverse reaction takes place and copper is obtained.

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