Exams › NEET › Chemistry

Roasting is carried out to This question has multiple correct options

1. convert sulphide ore to oxide
2. remove water of hydration
3. melt the ore
4. remove carbon and sulphur impurities

Correct answer: convert sulphide ore to oxide

Solution

Roasting means strongly heating an ore in the presence of excess air/oxygen. For sulphide ores, this converts the sulphide into the corresponding oxide, which is easier to reduce later.

Related NEET Chemistry questions

• In the atmosphere of industrial smog, copper corrodes to form: This question has multiple correct options
• The idea of froth floatation method came from a person \( X \) and this method is related to the process \( Y \) of ores. \( X \) and Y, respectively, are:
• Refining of aluminium is done by
• In the extraction of aluminium by electrolytic process, cryolite is added to
• Metal oxides are reduced to metal by:
• Forth floatation process of concentration is based on the:

⚔️ Practice NEET Chemistry free + battle 1v1 →