When copper powder is heated in a watch glass, a black substance is formed. (i) Why is this black substance formed ? Name it. (ii) How can this black substance be reversed to its original form ?

Question

TextDouble Displacement Reaction in ChemistryOxidation Reaction in ChemistryCBSE PYQ

Similar Questions

Copper powder is taken in a china dish and heated over a burner. Name the product formed and state its colour. Write the chemical equation for the reaction involved.

TextOxidation Reaction in ChemistryReaction of Metals with Oxygen

Write chemical equation for the chemical reaction which occurs when the aqueous solutions of barium chloride and sodium sulphate react together. Write the symbols of the ions present in the compound precipitated in the reaction.

Text