Class 12 Chemistry General Principles and Processes of Isolation of Elements Concentration

Easy

Which of the following is not concentrated by electromagnetic separation?

A
Copper pyrites
B
Pyrolusite
C
Chromite
D
Cassiterite

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

Concentration

Similar Questions

Which method is used for the concentration of cassiterite ore?

Medium

Which substance is used as a froth stabilizer in the froth flotation process?

Easy

During the extraction of sodium aluminate from bauxite,the compounds of ....... are insoluble and precipitate out.

Easy

Which of the following ores is most commonly concentrated by the froth flotation process?

Easy

In the Serpek process for the purification of bauxite,what is used to remove silicon dioxide?

Easy

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.