The non-fusible impurities present in iron ore are removed by CaCO₃.
Reason: CaCO₃ decomposes into CaO and CO₂. The CaO formed reacts with SiO2 to remove silica.
(a) Both statement and reason are true, and the reason is the correct explanation of the statement.
(b) Both statement and reason are true, but the reason is not the correct explanation of the statement.
(c) Statement is true, but the reason is false.
(d) Statement is false, but the reason is true.