What are the chief ores of iron?
How is the cast iron obtained?
Carbon is a cheaper reducing agent than aluminium. Why is then aluminium used for reduction in some cases?
What is wrought iron?
What types of ores are roasted?
Why does carbon reduce copper oxide but not calcium oxide?
What is pig iron? What is its composition?
What is composition of cast iron?
Why is the formation of sulphate in calcination sometimes advantageous?
Which metal is refined by Van Arkel Method?