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What is the meaning of roasting and calcination |
Answer» <html><body><p>● ROASTING : IN THIS PROCESS SULPHUDE ORE IS <a href="https://interviewquestions.tuteehub.com/tag/heated-1017243" style="font-weight:bold;" target="_blank" title="Click to know more about HEATED">HEATED</a> IN PRESENCE OF AIR IN A FURNANCE AT A TEMP. BELOW M.P. OF METAL.EX. 2Zn+3 <a href="https://interviewquestions.tuteehub.com/tag/o2-582782" style="font-weight:bold;" target="_blank" title="Click to know more about O2">O2</a> -> 2ZnO +2 SO2 ●CALCINATION : IT IS A PROCESS OF <a href="https://interviewquestions.tuteehub.com/tag/heating-1017297" style="font-weight:bold;" target="_blank" title="Click to know more about HEATING">HEATING</a> CARBONATE ORE IN ABSENCE OF AIR OR LIMITED SUPPLY OF AIR.EX.CaCO3 -> CaO +CO2.MARK AS BRAINLIEST☺</p></body></html> | |