NEETChemistryGeneral Principles and Processes of Isolation of Metals
How is cast iron different from pig iron?
Options
- ACast iron has a higher carbon content
- BCast iron has a lower carbon content
- CCast iron has a higher silicon content
- DCast iron has no impurities
Correct answer
B. Cast iron has a lower carbon content
Step-by-step solution
Cast iron, made by melting pig iron with scrap iron and coke using a hot air blast, has a slightly lower carbon content (about 3%).