When you heat a China dish containing 1gm of Copper powder, a Black substance is formed on the surface of the powder due to:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Oxidation
- When a China dish containing 1gm of Copper powder is heated, a black substance is formed on the surface of the powder due to the process of Oxidation.
- This happens when copper reatcs with oxygen in the presence of oxygen and heat forming copper oxide, and the black substance is formed due to the formation of copper (II) oxide.