Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
DifficultWhich one of the following reactions does not occur during the extraction of copper?
- A$2 Cu_2S + 3 O_2 \rightarrow 2 Cu_2O + 2 SO_2$
- B$2 FeS + 3 O_2 \rightarrow 2 FeO + 2 SO_2$
- C$CaO + SiO_2 \rightarrow CaSiO_3$
- D$FeO + SiO_2 \rightarrow FeSiO_3$
Explore More
Similar Questions
German silver does not contain
Which of the following elements constitutes a major impurity in pig iron?
Which of the following is a ferrous alloy?
Easy
View SolutionGive the correct order of initials $T$ or $F$ for following statements. Use $T$ if statement is true and $F$ if it is false.
$(i)$ Every mineral is an ore but every ore is not a mineral.
$(ii)$ Slag is a product formed during the extraction of metal by the combination of flux and impurities.
$(iii)$ Highly pure metals can be obtained by zone refining.
$(iv)$ Carnallite is an ore of magnesium and sodium.
$(i)$ Every mineral is an ore but every ore is not a mineral.
$(ii)$ Slag is a product formed during the extraction of metal by the combination of flux and impurities.
$(iii)$ Highly pure metals can be obtained by zone refining.
$(iv)$ Carnallite is an ore of magnesium and sodium.
Medium
View SolutionSelect the incorrect statement.
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo