Question

Fill in the blanks with right words given within the brackets.

Chemical formula of most common ore (hematite) of iron is _______.

• A. $F{e}_2{O}_3$
• B. $F{e}_3{O}_4$

Answer 1

• Ore is the substance from which pure metal can be obtained.
• The ore from which pure iron can be obtained is called hematite ($F{e}_2{O}_3$)

Chemical formula of most common ore (hematite) of iron is $F{e}_2{O}_3$.