Impurities in iron obtained from the blast furnace include carbon, phosphorus and silicon.
Which impurities are removed from the molten iron as gases when it is made into steel?
1 )
carbon and phosphorus
2 )
carbon and silicon
carbon only
4 )
phosphorus and silicon
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...