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