Class 12 Chemistry General Principles and Processes of Isolation of Elements Roasting and Calcination

Easy

What is the process of heating an ore in the absence of air at a temperature below its melting point called?

A
Leaching
B
Roasting
C
Smelting
D
Calcination

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

Roasting and Calcination

Similar Questions

Roasting involves

Medium

The process of heating an ore in the presence of excess air to a temperature below its melting point is called:

Easy

When limestone is heated,$CO_{2}$ is given off. The metallurgical operation is

Roasting of copper pyrites ores is for the following purposes:

Medium

Select the process in which $SO_2$ is $NOT$ evolved:

Medium

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.