Soundarya took $1 g$ a copper powder from a china dish and heated it. She then passed hydrogen gas over this heated substance and observed a visible change. What are the changes observed by her in each case? Explain with the help of a chemical equation.

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

answer is 1.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

When $1 g$ of copper powder is taken in a china dish and heated, a black-colored substance is formed, called copper oxide.

The copper gets oxidized to copper oxide. $C u O$ and copper metal is obtained when hydrogen gas is passed over this heated substance.
The black-colored $C u O$ is reduced, and brown color $C u$ metal is produced.

Watch 3-min video & get full concept clarity

courses

No courses found

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!