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प्रश्न
Name an ore on which roasting is done. Give a balanced equation.
टीपा लिहा
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उत्तर
Generally, sulphide ores are roasted, so SO2 is given off.
\[\ce{2ZnS + 3O2 ->[800^\circ-900^\circ C] 2ZnO + 2SO2}\]
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पाठ 7: Metallurgy - EXERCISE-7B [पृष्ठ १२९]
