What are the chief ores of iron?
How is the cast iron obtained?
Which metal is refined by Van Arkel Method?
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 is wrought iron?
What types of ores are roasted?
What is pig iron? What is its composition?
Why is the formation of sulphate in calcination sometimes advantageous?