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