NEET 2021 Model Test Paper 8

© examsiri.com

Question : 74 of 180

Marks: +1, -0

Main chemical change during roasting of CuFeS2 -

CuFeS2+O2
Δ
→
Cu2O+FeO +SO2
CuFeS2+O2
Δ
→
Cu2S+FeS +SO2+FeO
CuFeS2+O2
Δ
→
Cu2S +FeO+SO2
CuFeS2+O2
Δ
→
Cu2O+ FeS+SO2

Go to Question:

Prev Question

Next Question