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when copper powder is heated in a watch glass a black substances formed. why is this black substance formed ?name it ?how can these substance we reserved to its original form?

Posted by Ridhima Goyal 7 months, 4 weeks ago

CBSE > Class 10 > Science

1 answers

Sakshi Tiwari Sakshi Tiwari 7 months, 4 weeks ago

When copper is heated it reacts with oxygen and forms copper oxide which is black in colour . These substance can be reserved to its original form by reacting copper oxide with hydrogen or carbon .

7Thank You

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CBSE > Class 10 > Science