Class 12 Chemistry General Principles and Processes of Isolation of Elements Reduction to free Metal

Easy

During the smelting of roasted copper ore,silica is added to remove:

A
Cuprous sulfide
B
Ferrous oxide
C
Ferrous sulfide
D
Cuprous oxide

Explore More

Browse All

Question Bank

All Subjects

Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Reduction to free Metal

Similar Questions

Explain the extraction/purification of copper.

Medium

Which of the following statements is incorrect?

Easy

The function of fluorspar in the electrolytic reduction of alumina dissolved in fused cryolite $(Na_3AlF_6)$ is:

Easy

In the oxidation of $Cu$,the reaction which takes place in the Bessemer converter is:

Medium

Which reaction from the following occurs at $2000 \ K$ in the blast furnace for the extraction of iron?

MediumMHT CET 2020

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.