the chemical equation for roasting of ore Zn
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2ZnS(s) +3O2(g) gives rise to in the presence of heat 2ZnO(s)+2SO2(g)
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Roasting is a chemical process of burning some material at high temp in the range of 800-1000 degree..celcius.... roasting is the first step in drawing the metal from its ore... for e.g zinc metal is extractes from its ore zinc sulfide... the roasting can be shown in following chemical equation...
2zns + 3O2= 2znO+2so2 (roasting of zinc ore)
znO is called as calcine
2zns + 3O2= 2znO+2so2 (roasting of zinc ore)
znO is called as calcine
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