Question 1
What statement is inconsistent with the chemistry of iron?
◦ Iron is the fourth most abundant element in the earth's crust.
◦ The majority of iron in a healthy human is present in the oxygen-carrying protein hemoglobin.
◦ Iron is obtained from the reduction of hematite (Fe
2O
3) and magnetite (Fe
3O
4) by carbon in a blast furnace.
◦ Iron is a relatively hard metal and it is relatively unreactive with haloacids.
Question 2
What are two of the major components of stainless steel?
◦ iron and titanium
◦ iron and carbon
◦ iron and tungsten
◦ iron and chromium