What is roasting?

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Chemistry Teacher

roasting is a process in metallurgy. when a sulfide ore is heated in air by roasting process may convert to a free meta l oxide or to a free metal. like example:- roasting ZnS may yeild Zno and roasting HgS may yeild free Hg metal.
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Understand the Basic Concepts of Physics

Roasting is a step of the processing of certain ores. More specifically, roasting is a metallurgical process with the goal of purifying the metal component(s)
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Chemistry Wizard

In chemistry, Roasting is the process in which an ore is heated in the presence of oxygen usually sulphide minerals. For example - Have u seen people heating peanuts or roasting peanuts? They usually take the peanuts in a vessel and heat it but the they keep they lid of the vessel open so that there...
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In chemistry, Roasting is the process in which an ore is heated in the presence of oxygen usually sulphide minerals. For example - Have u seen people heating peanuts or roasting peanuts? They usually take the peanuts in a vessel and heat it but the they keep they lid of the vessel open so that there is air. As u know , major portion of air is made up of nitrogen or oxygen. So, in short v r roasting the peanut. In place of peanuts if v put ore or sulphide minerals and apply the above process, we will be doing a process called roasting. I hope that answers ur question. read less
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Java trainer, Tutor for all subjects of Diploma, BE subjects

Roasting is a step of the processing of certain ores. More specifically, roasting is a metallurgical process involving gas--solid reactions at elevated temperatures with the goal of purifying the metal component(s).
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