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

Easy

Heating of ore in the presence of air to remove sulphur impurities is called:

A
Calcination
B
Roasting
C
Smelting
D
None of these

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 of copper pyrites ores is for the following purposes:

Medium

$A$ sulphide ore is first converted into its oxide before reduction. This is done because

Easy

Roasting is generally done in case of the following:

Easy

Which of the following sulphides,when heated strongly in air,gives the corresponding metal?

Medium

What is the function of calcination in metallurgy?

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.