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JEE Main 202116 MarchMorning Shift

Exam: JEE Main
Year: 2021
Date: 16 March
Shift: Morning Shift
Subject: Chemistry
Chapter: General Principles and Processes of Isolation of Metals

JEE Main 2021 · 16 March · Morning Shift · Chemistry · General Principles and Processes of Isolation of Metals

The process that involves the removal of sulphur from the ores is :

The process that involves the removal of sulphur from the ores is :

Options

ASmelting
BRoasting
CLeaching
DRefining

Correct answer

B. Roasting

Step-by-step solution

In roasting process, metal sulphide ore are converted into metal oxide and sulphur is remove in the form of ${SO}_{2}$ gas.

$2MS + 3{O}_{2}\overset{\Delta}{⟶}2MO + 2{SO}_{2} ↑$

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