Science, asked by adarsh801341, 8 months ago

10 g of copper powder was heated in china dish. What change takes place on heating? When

hydrogen gas is passed over this heated substance, a visible change is seen in it. Give the chemical

equations of reactions, the name and the colour of the product formed in each case.
​

Answers

Answered by renukashrirame112003
5

Answer:

When copper powder is heated in a china dish, in the presence of oxygen, a black residue is formed on the dish due to the formation of copper(II) oxide. This phenomenon is known as surface oxidation

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