Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8

Q.

A shiny brown colored element “X” on heating in air becomes black in colour. The element X and the black colored substance formed are?


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

a

Zinc, Copper oxide   

b

Aluminium, Sulphur oxide   

c

Copper, Copper oxide   

d

Copper, Sulphur oxide 

answer is C.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

Copper is the metal that has a gleaming brown colour. When copper is heated in the air, it combines with oxygen in the air to generate copper oxide, which is black in colour.
2Cu(s) + O2(g) → 2CuO(s)
 
Watch 3-min video & get full concept clarity

Ready to Test Your Skills?

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

Take Free Test

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon