Advertisements
Advertisements
प्रश्न
Which of the following processes involve smelting?
पर्याय
\[\ce{ZnCO3 -> ZnO + CO2}\]
\[\ce{Fe2O3 + 3C -> 2Fe + 3CO}\]
\[\ce{2PbS + 3O2 -> 2PbO + 2SO2}\]
\[\ce{Al2O3 * 2H2O -> Al2O3 + 2H2O}\]
MCQ
Advertisements
उत्तर
\[\ce{\mathbf{Fe_2O_3 + 3C \leftarrow 2Fe + 3CO}}\]
Explanation:
Smelting is the extraction of a metal from its oxidized ore by a process involving melting, often in a blast furnace, where the ore is reduced by a chemical reducing agent at high temperatures. \[\ce{Fe2O3 + 3C -> 2Fe + 3CO}\] depicts the carbon reduction of iron oxide in a blast furnace, which is a classical example of smelting.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
