Why does carbon reduce copper oxide but not calcium oxide?
Carbon has more affinity for oxygen than copper and thus it reduces copper oxide to copper. On the other hand, calcium being more reactive for oxygen than calcium is not reduced by carbon.
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What are the chief ores of iron?
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Carbon is a cheaper reducing agent than aluminium. Why is then aluminium used for reduction in some cases?
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What types of ores are roasted?
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Which metal is refined by Van Arkel Method?
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How is the cast iron obtained?
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What is composition of cast iron?
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What is wrought iron?
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What is pig iron? What is its composition?
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Why is the formation of sulphate in calcination sometimes advantageous?
