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Why is mercury obtained from cinnabar ore through two heating steps instead of direct reduction?
Mercury sulphide must first change into oxide
Mercury metal reacts with oxygen on heating
Mercury oxide forms only in absence of air
Mercury sulphide melts before decomposition
Mercury sulphide must first change into oxide
Practice and solve "Why is mercury obtained from cinnabar ore through two heating steps instead of direct reduction?..." for General Science - Previous Year Paper 2025. The correct answer is Option A: Mercury sulphide must first change into oxide. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "Why is mercury obtained from cinnabar ore through two heating steps instead of direct reduction?..." for General Science - Previous Year Paper 2025. The correct answer is Option A: Mercury sulphide must first change into oxide. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.